Class / Patent application number | Description | Number of patent applications / Date published |
042050000 | Box | 59 |
20080313946 | Rod Magazine for a Firearm - Rod magazine for a firearm, having a channel for holding cartridges in a stack, and having a feed for feeding the stack to a channel end which is clasped by magazine lips, which hold the top cartridge in the stack back in the channel direction, but allow its movement approximately transversely with respect to the channel direction beyond the rod magazine, with the channel being equipped with guide strips, which run in the channel direction, for the shoulders of the cartridges, and with the guide strips projecting beyond the channel end and into the movement path, which is located in front of the magazine lips, of the top cartridge. | 12-25-2008 |
20090107022 | SELF-LEVELING FOLLOWER FOR AMMUNITION MAGAZINE - The present invention is a self-leveling follower for an ammunition magazine. Side extensions provide greater stability to the follower and aid in its self-leveling feature. The follower according to the present invention is also manufactured to facilitate removal from and insertion into the magazine casing when maintaining the magazine. Additional features provide greater utility by improving bolt-stop capacity and consistency of ammunition feed. | 04-30-2009 |
20100101132 | ARCUATE MAGAZINE FOR A FIREARM AND A METHOD FOR MAKING THE SAME - An arcuate magazine for a firearm, such as a rifle or carbine, which has a keyway and follower assembly for delivering rounds of ammunition one at a time to the firing area of the firearm and which may be fabricated from a single piece of metal and have a smooth interior free of welds and rough spots. The invention also includes a method of making such a magazine which includes the steps of deep drawing and wiping the magazine body under substantial pressure using a progressive die having numerous stations. | 04-29-2010 |
20100126053 | Ammunition Magazine with Four Ammunition Stacks - The present invention is a high capacity, non-drum magazine. The high capacity magazine comprises a broad general storage area capable of holding four staggered stacks of ammunition, a unified follower on a spring system biasing the follower and associated ammunition, a central partition a barrier separating two dual staggered round stacks and around which the follower will pass, and a transition area between the feed end of the magazine and the storage area. The spring may be a composite spring system, made of two springs joined in series, or a single, variable constant, spring. | 05-27-2010 |
20100162606 | FIREARM MAGAZINE AND ADAPTER THEREFOR - A firearm magazine includes a housing defining a cavity. A resilient member is disposed in the cavity. A cartridge support member is movably supported on the resilient member and configured for moving downwardly into the cavity against increasing tension of the resilient member when the magazine is being loaded. The resilient member when under tension urges the cartridge support member and cartridges thereon to move upwardly during a feeding operation. An adapter converts a firearm magazine from multiple cartridge capacity to single cartridge capacity, and is configured to be removably coupled to the upper housing to cover the cartridge support member of the housing. The adapter includes an additional cartridge support member. The housing and the adapter cooperate to prevent the additional cartridge support member of the adapter from being moved downwardly into the cavity. | 07-01-2010 |
20100251590 | Ammunition Magazine - The present invention is an ammunition magazine, preferably made of a glass fiber reinforced polymer, utilizing a structurally enhancing ridge, angular guide rails and a follower made to interface with said guide rails to reduce wobble. The preferred embodiment also features a protective cover that distributes forces from the spring to more structurally sound areas of the magazine, thus reducing feed end splay, and an ammunition indication system comprised of at least one window and a noticeable marker on the follower spring. The follower and magazine casing are also designed to interface to prevent the follower from popping out of the feed end and the floor plate of the magazine utilizes a locking plate and sliding relationship between the floor plate, locking plate and magazine to secure the floor plate onto the magazine casing. The cover features built in tools for, among other things, unloading and disassembling the magazine. | 10-07-2010 |
20100281737 | RIFLE MAGAZINE - The present invention relates to rifle magazines, and more particularly to an improved detachable magazine for a rifle. The improved magazine has an outer case with an open top end, a bottom end, and an internal cavity. The magazine also includes a follower that moves within the internal cavity. The follower guides ammunition cartridges toward feed lips at the top of the magazine, where the cartridges are loaded into the rifle. The follower includes one or more openings or slots formed through the top surface of the follower. The slots enable debris or dirt inside the magazine to fall out when the magazine is being cleaned. Water can be sprayed into the magazine through the slots in the follower, and dirt or debris can be flushed out to clean the magazine without disassembly. | 11-11-2010 |
20100313458 | CARTRIDGE MAGAZINE FOR FIREARMS - A cartridge magazine for firearms has an elongated channel to receive a plurality of cartridges. The cartridge magazine has a box forming a housing of the cartridge magazine, a spring operated follower for pressing the cartridges in the magazine to an upper position. In this position, the topmost cartridge is ready for feeding into a chamber of the firearm and in this position the topmost cartridge rests against a pair of retaining lips. The lips remain in a first position when the topmost cartridge is in the upper position and the lips are operatively displaceable to a second position wider than the first position. | 12-16-2010 |
20110010977 | MAGAZINE QUICK-RELEASE BLOCKING APPARATUS AND METHOD - Apparatuses, methods, and kits are disclosed for preventing quick release of a magazine from a magazine well of a Sa vzor 58 rifle without the need to substantially disassemble the rifle, thereby providing a means to modify Sa vzor 58 rifles to bring such rifles within permissible limitations of certain local, state, and federal guns laws. | 01-20-2011 |
20110094137 | PLASTIC MAGAZINES FOR USE WITH FIREARMS - Plastic magazines for use with firearms are described. An example plastic magazine for use with firearms includes a plurality of sidewalls along which cartridges are to be moved during a reloading of a firearm. Each of the plurality of sidewalls comprises a plastic material. Additionally, the example plastic magazine includes a metal coating adjacent a first surface of a first sidewall of the plurality of sidewalls, wherein the interior surface of the first sidewall is in a direction of fire. | 04-28-2011 |
20110107639 | Easy Loading Magazine - Described herein are embodiments for an easy loading firearm cartridge clip. The firearm cartridge clip comprises a housing that forms a chamber. The firearm cartridge clip has first and second slots laterally disposed on first and seconds sides of the housing respectively. The length of each slot is substantially equivalent to a length of the housing. First and second tracks are laterally disposed on inner-sides of the first and second sides of the housing respectively. Each of the tracks have a slot that corresponds to either the first slot or the second slot. Each track has a length substantially equivalent to the length of the housing. A platform is disposed on a central axis of the housing and is slideably coupled to the first track and the second track. A grip mechanism is coupled to an underside of the platform and configured to enable an individual to laterally slide the platform along the first track and the second track. A locking mechanism is coupled to the grip mechanism and is configured to be inserted into at least one locking mechanism receiver that is disposed on a distal end of the housing which holds the platform in place prior to loading the magazine. | 05-12-2011 |
20110113663 | Self-Leveling Follower for an Ammunition Magazine - The present invention is a self-leveling follower for an ammunition magazine. Side extensions provide greater stability to the follower and aid in its self-leveling feature. The follower according to the present invention is also manufactured to facilitate removal from and insertion into the magazine casing when maintaining the magazine. Additional features provide greater utility by improving bolt-stop capacity and consistency of ammunition feed. | 05-19-2011 |
20110167694 | MAGAZINE FOR A FIREARM - A magazine for a firearm is provided. The magazine includes a magazine box, a base removably coupled to the magazine box and a follower disposed in the magazine box. A spring is coupled to said follower to bias ammunition cartridges towards a firearm receiver. The base includes at least one opening sized to receive an arm on said follower when the magazine is loaded with ammunition cartridges. The distance between the bottom of the follower and top of the base may be arranged to be less than the diameter of an ammunition cartridge when the magazine contains a predetermined number of rounds. | 07-14-2011 |
20110167695 | AMMUNITION MAGAZINE - An ammunition magazine including a housing having a base, a follower spring-biased in the housing against the base, a belt coupled to the follower for pulling the follower towards the base, a belt collecting and release mechanism mounted in the base, the belt being coupled to the mechanism for shortening the belt around the wheel when the magazine is rolled along a surface in a forward direction, whereby the belt pulls the follower into the magazine to permit loading of cartridges into the magazine, and for preventing rotation of the wheel to release the belt when the base is rolled along a surface in a rearward direction. | 07-14-2011 |
20110173856 | SPRING-ACTION MAGAZINE FOLLOWER AND MAGAZINE FOR FIREARMS - A follower for a firearm magazine includes a base part, a guide, a cartridge engaging part, and a slide stop actuating structure. The base part provides a lower surface against which the magazine spring acts, and the guide provides a guide surface extending transverse to a base plane defined by the base part. The cartridge engaging part provides a spring action within the follower itself to augment the force of the magazine spring. The slide stop actuating structure is located at a front end of the base part and provides an inclined engagement surface that extends upwardly from the front end of the base part to a front edge of the follower. This upwardly angled surface forms an engagement surface to reliably engage a slide stop lug of a firearm to actuate the firearm's slide lock mechanism when the magazine is empty. | 07-21-2011 |
20110173857 | INCREASED CAPACITY AMMUNITION CLIP - An ammunition clip is described that includes a front end wall, a back end wall, two opposing sidewalls operably engaged with the front end wall and the back end wall to define an enclosure. The sidewalls each include a top section defining a first circumference for the enclosure, a lower section defining a second circumference for the enclosure that is larger than the first circumference, and a transition section between the top section and the lower section. The transition section includes a plurality of offset angled members opposite one another defining the transition between the top section and the lower section. A first guide extends inward into the enclosure from the front end wall substantially orthogonal thereto and a second guide extends inward into the enclosure from the back end wall substantially orthogonal thereto. A guided member is configured to travel within the enclosure in a substantially planar fashion and includes slots at each end thereof for engagement with respective said guides. | 07-21-2011 |
20110173858 | MAGAZINE WITH SHOCK ABSORBING TAB - An ammunition magazine including a housing having a first end and an opposing second end for carrying stacked cartridges, a follower plate reciprocally movable within the housing, a spring retainer reciprocally movable within the housing and having an extension tab extending therefrom toward the second end, and a biasing member carried by the housing between the follower plate and the spring retainer. The biasing member biases the follower plate toward the first end and biases the spring retainer toward the second end. A bottom plate closes the second end of the housing and retains the spring retainer within the housing. The bottom plate includes an opening extending therethrough permitting passage of the extension tab therethrough in reciprocal directions. | 07-21-2011 |
20110277366 | Higher capacity stick magazine for - A new design for straight stick magazines that accommodates larger bottle-necked cartridges in a higher capacity than is currently available. The design includes a modified follower, a stronger magazine spring, and a more durable casing. The follower's new flexible movement allows for the stacking and releasing of more ammunition, as well as reducing binding and jamming issues. The stronger magazine spring is able to feed more ammunition into to the firearm. And the magazine casing is made of a more durable material to contain the great force the spring and ammunition are exerting towards the sides. The magazine casings' angled bottom plate loads the magazine spring faster towards the front, making sure to keep the nose of the bullets up when leaving the magazine. The optional tab spring locks the bolt back when the magazine has been emptied due to firing. | 11-17-2011 |
20110302816 | AMMUNITION MAGAZINE - The present invention is an ammunition magazine, preferably made of a glass fiber reinforced polymer, utilizing a structurally enhancing ridge, angular guide rails and a follower made to interface with said guide rails to reduce wobble. The preferred embodiment also features a protective cover that distributes forces from the spring to more structurally sound areas of the magazine, thus reducing feed end splay, and an ammunition indication system comprised of at least one window and a noticeable marker on the follower spring. The follower and magazine casing are also designed to interface to prevent the follower from popping out of the feed end and the floor plate of the magazine utilizes a locking plate and sliding relationship between the floor plate, locking plate and magazine to secure the floor plate onto the magazine casing. The cover features built in tools for, among other things, unloading and disassembling the magazine. | 12-15-2011 |
20110308128 | FIREARM MAGAZINE - A firearm magazine that is designed to make the loading of cartridges easier and faster, while being constructed of fewer parts for higher reliability and with no protruding elements that preclude its use in pre-existing firearms. In one embodiment, a box-type magazine is provided with an internal spring and a follower. The body of the magazine and the follower are specially constructed to facilitate manual loading. The body of the magazine incorporates a slot extending along the path of the follower. The follower is fabricated with a concave opening on a lateral surface that can be manually accessed through the slot in the magazine body, thereby allowing a user to depress the follower against the pressure of the internal spring using a finger or thumb while the cartridges are easily loaded at the top of the magazine body. | 12-22-2011 |
20120066950 | Double Stack Box Magazine for Rimmed Cartridges of Varying Length - Disclosed is a double stack box magazine for rimmed ammunition cartridges of varied lengths. It includes a housing having a neck portion in which cartridges are arranged in a single column, a double-stack portion in which cartridges are arranged in laterally alternating columns, and a transition portion between the neck portion and the double-stack portion. A pair of rim clearance channels is provided, on opposed interior lateral surfaces of the housing. A first channel portion allows clearance for cartridge rims without respect to forward and rearward position of the cartridges within the housing, which may vary depending on individual cartridge length. A second channel portion in the neck provides an abutment against which laterally opposed areas of a cartridge rim bear to shift the cartridge to a rearward position. A third channel portion provides transition between the first and second channel portions. | 03-22-2012 |
20120124879 | Firearmcartridge magazine having mechanism for low-friction cartridge orienting and guiding - A cartridge magazine for firearms having internal lateral guide ridges of dimensions for establishing lateral guiding engagement with cartridges within the magazine chamber and having longitudinal internal guide ridges projecting inwardly from said side panels. The internal longitudinal guide ridges establish low friction essentially line contact with the uppermost cartridge and establish low friction forward charging movement of the uppermost cartridge from the cartridge magazine during firearm loading. The cartridge magazine is preferably formed from a single piece of sheet metal stock and is die folded and die formed to define external depressions and internal low friction cartridge guide ridges for lateral guiding of cartridge movement within the magazine and forward guiding movement of cartridges as they are dispensed from the magazine. | 05-24-2012 |
20120131831 | HIGH CAPACITY MAGAZINE WITH MULTIPLE SPRINGS - A high capacity box magazine is provided. A plurality of nested followers may be adapted to nest one within another and a plurality of springs may be configured to nest one within another to facilitate the advancement of cartridges within the box magazine to a firearm. A spring cup or cups may be used to nest additional springs that work in series and are nested within each other to further reduce the required height of the springs. The reliability of a conventional lower capacity box magazine may be maintained or exceeded without requiring significantly greater length in order to accommodate the increased capacity. The high capacity box magazine typically requires less frequent magazine changes than conventional lower capacity box magazines. | 05-31-2012 |
20120144713 | LIGHTWEIGHT, LOW COST SEMI-AUTOMATIC RIFLE MAGAZINE - A lightweight and low cost semi-automatic rifle includes an upper receiver, a lower receiver, and a forend fabricated from injection-molded polymers. The rifle permits firing .22 LR or similar low-power ammunition from an AR-15 style frame, operates on the blowback principle, and provides a fully functional bolt catch and extractor/ejector/deflector. | 06-14-2012 |
20120167429 | HIGH CAPACITY MAGAZINE - A box magazine for a firearm may have a housing with two substantially different widths. A wider region may accommodate four columns of cartridges and may have tapered surfaces at one end that lead into a narrower region which may accommodate an interlocked and staggered double column of cartridges. Cartridges in the wider region may be separated into two staggered double columns by a free standing dividing wall and may be advanced by inner and outer contoured followers that may be nested together to form a single follower assembly surrounding the freestanding wall and that may be driven by the outer follower's spring. An inner follower spring may remain nested within the outer follower such that the two followers coordinate the advance of the two separated double columns of cartridges toward tapered surfaces that merge the two double columns into two single columns proximate the top of the dividing wall. | 07-05-2012 |
20120317857 | Ammunition Magazine - The present invention is an ammunition magazine, preferably made of a reinforced polymer, utilizing a structurally enhancing ridge, angular guide rails and a follower made to interface with said guide rails to reduce wobble. The preferred embodiment also features a protective cover that distributes forces from the spring to more structurally sound areas of the magazine, thus reducing feed end splay, and an ammunition indication system comprised of at least one window and a noticeable marker on the follower spring. The follower and magazine casing are also designed to interface to prevent the follower from popping out of the feed end and the floor plate of the magazine utilizes a locking plate and sliding relationship between the floor plate, locking plate and magazine to secure the floor plate onto the magazine casing. The cover features built in tools for, among other things, unloading and disassembling the magazine. | 12-20-2012 |
20130042514 | METHOD OF AND APPARATUS FOR ASSISTING A USER IN CORRECTLY LOADING AND RELOADING AMMUNITION MAGAZINES INTO A HAND-HELD FIREARM IN THE DARK - A ammunition magazine for a hand-held firearm or weapon, having a photo-luminescent (i.e. glow-in-the-dark) base portion (e.g. base plate) that emits visible illumination and enables the firearm user, in darkness, to quickly access the ammunition magazine, accurately determine its spatial orientation, properly insert (i.e. load) the magazine into the firearm in a correct manner, retrieve the spent magazine, remove (i.e. unload) it from the firearm, and then reload another loaded magazine, quickly without error or reloading errors or delays. | 02-21-2013 |
20130055611 | DEVICE FOR STRIPPING CARTRIDGES - Applicant has disclosed a method and apparatus to enhance feeding cartridges into the receiver of a bolt-action repeating rifle, from a detachable magazine. In the preferred embodiment, Applicant's invention strips the cartridges from the magazines and feeds the cartridges into the chamber by a spring-activated hinged flap, pinned in a mating recess in a breech bolt head, adjacent a well opening and the inserted magazine. The flap is biased by a spring, which tends to lower the flap away from the breech bolt head, when the breech bolt is in a retracted position. As the breech bolt is pushed forward, the flap engages a rim of the next cartridge to be fed from the magazine and pushes the cartridge out of the magazine, over a feed ramp of the magazine, towards the rifle's chamber. The flap raises, against spring pressure, as it contacts a feed ramp of the receiver, allowing the breech bolt to enter the locking area of the receiver. | 03-07-2013 |
20130097909 | SAFETY MAGAZINES FOR FIRING NON-LETHAL TRAINING ROUNDS AND PREVENTING THE LOADING AND FIRING OF LIVE ROUNDS - A safety magazine allows training rounds to be fired while preventing the firing of live rounds. The magazine has front and rear walls, whereby the distance between the front wall and the rear wall is less than the length of a standard 5.56×45 mm NATO cartridge. The magazine has an alignment rib projecting from the rear wall that is adapted for insertion into an alignment groove formed in a rear end wall of a standard M16 style magazine well. The magazine has a spacer projecting laterally from the sides of said alignment rib and that is located between the rear wall of the magazine and the rear face of the alignment rib. The spacer is adapted to engage the rear end wall of the standard M16 style magazine well for spacing the rear wall of the safety magazine away from the rear end wall of the magazine well. | 04-25-2013 |
20130167420 | Self-Levering Follower For A Universal Magazine Of Multiple Caliber Compatibility For Firearms - A magazine for a firearm comprises a magazine shell, a main magazine spring, and a follower assembly. The follower assembly is disposed inside the magazine shell and movable generally along a longitudinal axis of the magazine shell. The follower assembly includes a non-tilt-able piece coupled to a first end of the main magazine spring and having a first end and a second end opposite the first end. The follower assembly also includes a tilt-able piece having a first end and a second end opposite the first end. A middle portion of the tilt-able piece is pivot-ably coupled to a middle portion of the non-tilt-able piece. The follower assembly further includes an elastic element that is elastically disposed between the non-tilt-able piece and the tilt-able piece and exerting a force on the non-tilt-able piece and the tilt-able piece. | 07-04-2013 |
20130167421 | Magazine Shell Of A Universal Magazine Of Multiple Caliber Compatibility For Firearms - A magazine for a firearm comprises a magazine shell and a main magazine spring. The magazine shell includes a first end, a second end opposite the first end, and sidewalls between the first end and the second end. The first end includes an opening and is configured to attach to the firearm. The second end includes a bottom plate. The main magazine spring includes a first end and a second end opposite the first end. The second end of the main magazine spring is coupled to the bottom plate of the second end of the magazine shell. | 07-04-2013 |
20130180146 | Ammunition Magazine - A new interface for a magazine follower and floor plate is used to provide greater stability to the round stack and a more sturdy system overall. The floor plate is designed with two opposite legs, the rear being shorter than the front leg so as to facilitate travel throughout the magazine and clearing of accumulated dirt and debris. The floor plate, in one embodiment, utilizes a lock plate that is shaped and sized to become a shoe for the compressed spring and associated follower. In an alternate embodiment, the floor plate itself serves the purpose and, with provided teeth, directly fastens to the magazine casing at notches manufactured in the magazine wall for that purpose. Other enhancements to the magazine include at least one matrix of divots to provide a paint surface, an over-insertion stop and a lower rear geometry to aid in clearing debris and grit. | 07-18-2013 |
20130227870 | AMMUNITION MAGAZINE WITH AN IMPROVED MAGAZINE BASE LOCKING - An ammunition magazine with an improved base locking, including: a hollow magazine body, a follower, a spring and a magazine base. The magazine body is equipped with track guides that correspond to grooves embodied on the magazine base, that the magazine base is guided onto. The spring is spirally embodied such that the first turn fully encompasses the surface of the magazine base and in the compressed state the rest of the spring, without the first turn, can fully fit into the follower pressed by the spring. The magazine base has a catch on one side and a hole positioned next to the catch. The magazine body has a slit allowing the catch to pass unobstructed into the magazine body and catch the detent spot on the spring positioned inside the magazine body. An advantage is improved safety of magazine base locking to the magazine body and simpler construction. | 09-05-2013 |
20130255125 | Firearm Magazine Incorporating Spring Tension Relief Mechanism - A magazine for use with semi-automatic and automatic firearms that includes a mechanism for relaxing the tension on the spring when the magazine is loaded with ammunition by lowering and extending the spring out of the bottom of the magazine. The magazine can be stored in a fully loaded configuration without concern that the spring will take on a compression set that will hamper its effectiveness in advancing ammo when the magazine is put to use in an associated firearm. | 10-03-2013 |
20130291419 | FIREARM MAGAZINE - A magazine for a firearm may include a cavity that is shaped to prevent the tip of the bullets in the cartridges from contacting the magazine when the firearm recoils. The magazine may also be configured so that the cartridges in the magazine exit the cavity at least approximately in the center of the magazine. The magazine may be configured to include a biasing mechanism that pushes the cartridges upward in the cavity. The biasing mechanism may be configured to allow the magazine to be compact, simple, and reliable. | 11-07-2013 |
20130333261 | MAGAZINE BASE PAD - A magazine includes a body member having a front, a back, and opposing side walls that define a first orifice at a first distal end of the body member, a retention plate member having a base, end wall, and retention spring portion, and a planar engagement surface extending from the base portion at an oblique angle relative to the base portion, wherein a portion of the front wall of the body member is disposed in a gap defined by the end wall portion and the retention spring portion, and an end plate member slidably engaging the body member, the end plate member having a base portion that defines an orifice having an engagement surface defining an oblique angle relative to the base portion, wherein the planar engagement surface of the retention plate member is disposed in the orifice in contact with the planar engagement surface of the end plate member. | 12-19-2013 |
20140053446 | High Capacity Magazine - A box magazine for a firearm may have a housing with two substantially different widths. A wider region may accommodate four columns of cartridges and may have tapered surfaces at one end that lead into a narrower region which may accommodate an interlocked and staggered double column of cartridges. Cartridges in the wider region may be separated into two staggered double columns by a free standing dividing wall and may be advanced by inner and outer contoured followers that may be nested together to form a single follower assembly surrounding the freestanding wall and that may be driven by the outer follower's spring. An inner follower spring may remain nested within the outer follower such that the two followers coordinate the advance of the two separated double columns of cartridges toward tapered surfaces that merge the two double columns into two single columns proximate the top of the dividing wall. | 02-27-2014 |
20140075810 | UNIVERSAL AK-47 AND VARIANT BOLT HOLD OPEN FOLLOWER - A universal cartridge follower for a firearm magazine comprising a cartridge receiving surface and side walls extending from the cartridge receiving surface. The cartridge receiving surface is operationally configured to intercept a firearm bolt. The side walls extend from the cartridge receiving surface and have opposing first surfaces defining a first width of the cartridge receiving surface and at least opposing second surfaces defining a second width of the cartridge receiving surface. | 03-20-2014 |
20140130389 | Firearm magazine and method of making same - A box magazine ( | 05-15-2014 |
20140150315 | Magazine for a Firearm - A magazine for a firearm is provided. The magazine includes a first wall and a second wall coupled to the first wall to define an enclosure. A first projection extends from a first portion of the first wall, a first end of the first projection being adjacent an end of the first wall, the first projection having a first angled surface opposite the first end. A second projection extends from a second portion of the second wall, a second end of the second projection being adjacent the first end, the second projection having a second angled surface arranged opposite the first angled surface. | 06-05-2014 |
20140215877 | HIGH CAPACITY MAGAZINE WITH MULTIPLE SPRINGS - A high capacity box magazine is provided. A plurality of nested followers may be adapted to nest one within another and a plurality of springs may be configured to nest one within another to facilitate the advancement of cartridges within the box magazine to a firearm. A spring cup or cups may be used to nest additional springs that work in series and are nested within each other to further reduce the required height of the springs. The reliability of a conventional lower capacity box magazine may be maintained or exceeded without requiring significantly greater length in order to accommodate the increased capacity. The high capacity box magazine typically requires less frequent magazine changes than conventional lower capacity box magazines. | 08-07-2014 |
20140215878 | AMMUNITION MAGAZINE - The present invention is an ammunition magazine, preferably made of a reinforced polymer, utilizing a structurally enhancing ridge, angular guide rails and a follower made to interface with said guide rails to reduce wobble. The preferred embodiment also features a protective cover that distributes forces from the spring to more structurally sound areas of the magazine, thus reducing feed end splay, and an ammunition indication system comprised of at least one window and a noticeable marker on the follower spring. The follower and magazine casing are also designed to interface to prevent the follower from popping out of the feed end and the floor plate of the magazine utilizes a locking plate and sliding relationship between the floor plate, locking plate and magazine to secure the floor plate onto the magazine casing. The cover features built in tools for, among other things, unloading and disassembling the magazine. | 08-07-2014 |
20140250752 | FIREARM MAGAZINE - A magazine for a firearm may include a cavity that is shaped to prevent the tip of the bullets in the cartridges from contacting the magazine when the firearm recoils. The magazine may also be configured so that the cartridges in the magazine exit the cavity at least approximately in the center of the magazine. The magazine may be configured to include a biasing mechanism that pushes the cartridges upward in the cavity. The biasing mechanism may be configured to allow the magazine to be compact, simple, and reliable. | 09-11-2014 |
20140259844 | Firearm Magazine Having Nose-Dive-Control Spring - A cartridge magazine for housing a plurality of stacked cartridges and successively dispensing and guiding the uppermost one of the stacked cartridges from the magazine forward toward an inclined ramp leading to a chamber of a barrel of a firearm, the magazine comprising a housing portion and a nose-dive control spring. The nose-dive control spring comprises a resilient shank portion and a bullet-engageable end portion. The shank portion extends from one of the front and side walls to the bullet-engageable end portion. The nose-dive control spring is adapted and configured to prevent an uppermost cartridge from moving into a nose-dive orientation as a breech face of the firearm pushes the cartridge forward toward the inclined ramp of the firearm. | 09-18-2014 |
20140352189 | AMMUNITION MAGAZINE - The present invention is an ammunition magazine, preferably made of a reinforced polymer, utilizing a structurally enhancing ridge, angular guide rails and a follower made to interface with said guide rails to reduce wobble. The preferred embodiment also features a protective cover that distributes forces from the spring to more structurally sound areas of the magazine, thus reducing feed end splay, and an ammunition indication system comprised of at least one window and a noticeable marker on the follower spring. The follower and magazine casing are also designed to interface to prevent the follower from popping out of the feed end and the floor plate of the magazine utilizes a locking plate and sliding relationship between the floor plate, locking plate and magazine to secure the floor plate onto the magazine casing. The cover features built in tools for, among other things, unloading and disassembling the magazine. | 12-04-2014 |
20140366417 | Magazine Shell Of A Universal Magazine Of Multiple Caliber Compatibility For Firearms - Various embodiments of a magazine for a firearm are described. In one aspect, a magazine for a firearm may include a magazine shell having a first end, a second end opposite the first end, and a plurality of sidewalls between the first end and the second end. The first end may have an opening and may be configured to attach to the firearm. The second end may include a bottom plate. At least a first primary sidewall of the sidewalls may include a deformable concave area that caves inward with respect to the magazine shell such that the concave area bulges outward with respect to the magazine shell to accommodate one or more ammunition cartridges with of a first caliber and that the concave area does not bulge outward to accommodate one or more ammunition cartridges of a second caliber smaller than the first caliber. | 12-18-2014 |
20140373416 | High Capacity Magazine Efficient Loader Device and Related Method - A device and related method are disclosed for efficient loading of a spring powered magazine. The magazine body is configured with equal and opposite lateral channels extending from the magazine floor to near the magazine top. The channels are located approximately at a longitudinal midpoint of the magazine body. The follower of the magazine is configured with a follower sleeve having a longitudinal dimension approximately equal to the longitudinal dimension of the opposite lateral channels and aligned with the opposite lateral channels as the follower slidably travels along a vertical axis of the magazine body. As the follower sleeve aligns with the opposite lateral channels, it is configured to be engaged by a compression tool to relieve, as the compression tool acts upon the follower, spring tension between the latest round loaded and the retainer lips of the magazine opening. | 12-25-2014 |
20150059222 | LOW PROFILE MAGAZINE FOLLOWER WITH ISOLATED SLIDE LOCK LEVER - A firearm magazine follower for use in combination with a magazine tube includes an upper flange, a rear flange and a bottom flange formed from a single, flexible piece of material, such as steel. The upper flange extends from the rear flange and has a top side that is sized and configured for supporting a plurality of bullets thereon. The lower flange extends from the rear flange and has a distal end and a proximal end, and includes first and second surface members are separated lengthwise at a location between the proximal and distal ends of the lower flange. The first surface member is sized and configured for contacting a front inner facing wall of the magazine tube. The second surface member includes a raised flange at the distal end that is sized and configured for contacting and activating the slide lock lever of the magazine tube. | 03-05-2015 |
20150068089 | AMMUNITION MAGAZINE - An ammunition magazine provides one or more rounds to a firearm, and can include a housing defining an ammunition cavity and an ammunition aperture, a follower disposed within the ammunition cavity, a first constant force extension spring, and a second spring. A follower can include a follower wall defining at least one extension spring cavity, within which the first constant force extension spring is disposed. The second spring is disposed between the follower and a bottom housing wall. The first constant force extension spring and second spring bias the follower towards an upper part of the housing to facilitate ejection of rounds via the ammunition aperture. | 03-12-2015 |
20150075050 | DUAL STACK MAGAZINE - Embodiments of a magazine | 03-19-2015 |
20150292826 | SELF-LEVELING FOLLOWER AND MAGAZINE - A follower for a firearm magazine is disclosed, with a platform that may support a cartridge and has a top surface defining a plane and a bottom surface. The front end may be coupled to a front portion of the platform and engage a spring and a magazine body. The interior surface of the front end may be substantially perpendicular to the bottom surface of the platform and form an obtuse angle with the plane of the platform. The rear end may be coupled to a rear portion of the platform and engage the spring and the magazine body. The interior surface of the rear end may be perpendicular to the bottom surface of the platform and form an acute angle with the plane of the platform. The front end may extend further below the platform than does the rear end. | 10-15-2015 |
20150308766 | MODULAR SHOTGUN BOX MAGAZINE - A modular shotgun magazine including an upper portion and a lower portion that are interchangeable with other upper and lower portions. The upper portion includes a first interior, and upper opening, a lower opening, and a lower flange. The lower portion includes a second interior with an upper opening and an upper flange. The upper flange of the lower portion is connected to the lower flange of the upper portion so that the first and second interiors form a cavity. A fastening mechanism selectively connects the upper portion to the lower portion. The upper portion of the modular magazine may be connected to various lower portions having different shell capacities. The lower portion of the modular magazine may be connected to different upper portions that are configured to mate with a receiver of different shotguns. | 10-29-2015 |
20150345882 | COMPACT ANTI-TILT FOLLOWER FOR AN AMMUNITION MAGAZINE - A follower for a firearm magazine is disclosed. In one embodiment, the follower has a top platform, a proximal end, a distal end, and at least one slider rail. The top platform is shaped to seat a cartridge and has a cartridge case shoulder region, a cartridge case head region, and a distal region. The proximal end has a first surface shaped to engage a proximal interior region of a firearm magazine housing. The distal end has a second surface shaped to engage a distal interior region of the firearm magazine housing. The slider rail is on a side of the follower and extends down from the top platform at a position that is between and remote from both the proximal end of the follower and the distal end of the follower. The follower does not have a slider rail extending from or adjacent to the second surface of the follower. | 12-03-2015 |
20150377572 | SYSTEM AND METHOD FOR TRACKING AMMUNITION - A system and method for tracking ammunition, including a magazine that stores ammunition rounds, a top plate that slides along a longitudinal axis of the magazine, and a processing unit that determines the number of ammunition rounds in the magazine based on the position of the top plate. The system may output the number of ammunition rounds in the magazine to a display and/or store a time stamp indicative of each time a round was chambered and/or fired. | 12-31-2015 |
20160076840 | REMOVABLE MAGAZINE FOR A RIFLE - A removable magazine for a rifle with a support and a magazine insert disposed on the support, the magazine insert having, in the direction of fire, a back side and a front side with an opening for bullets of cartridges insertable into the magazine insert. The magazine insert is mounted on the support so as to be able to pivot around a transverse axis by a pivot bearing disposed on the back side thereof. | 03-17-2016 |
20160076841 | MAGAZINE WITH TILT-RESISTANT FOLLOWER - Magazines with tilt-resistant followers have a tubular body defining a passage, a follower movable within the passage, and the follower including a roller. The follower may have rollers on the front and the rear. The follower may have two rollers on at least one of the front and the rear. The follower may have a platform portion, a tine extending perpendicular to platform portion, a roller connected proximate to the platform, and a second roller connected proximate to a free end of the tine. The follower may have front and rear tines, each tine having a pair of rollers. The tubular body may define a major plane, and the roller may define a roller axis perpendicular to the major plane. The follower may define a transverse aperture receiving a pin, and the roller may be supported on the pin. The roller may include a set of ball bearings. | 03-17-2016 |
20160116239 | WEAPON MAGAZINE - A system and method for using a firearm magazine are described. One embodiment includes a firearm magazine assembly. The assembly has a polymer housing and a follower assembly comprising a follower, a spring, and an insert. The assembly also has a floorplate removably engaged with the proximal end of the housing and the insert. The follower assembly comprises a compressed configuration and an extended configuration relative to the housing, a compression limiter, and an extension limiter. The compression limiter prevents the spring from over-compression, and the extension limiter prevents the spring from forcing the follower against the feed lips. | 04-28-2016 |
20160123687 | COLOR-CHANGING FIREARM COMPONENTS - The present application teaches a color-changing component for a firearm and methods for constructing same. In some embodiments the component is a magazine comprising a photochromatic body that changes color and/or opacity based on the introduction or removal of light to the body. In alternate embodiments the component is any type of weapon-mounted aiming or sight-aiding device for which it would be desirable to reduce the risk of reflective glare or glint. | 05-05-2016 |
20160123688 | AMMUNITION MAGAZINE AND RESILIENT MEMBER - A magazine for storing and feeding ammunition cartridges to a small arms weapon which comprises a casing, a floor plate, a follower, and a magazine spring inside the casing. The magazine spring may comprise a first end connected to the follower, a second end connected to the floor plate, and a plurality of coils. Each of the plurality of coils may include a first segment having a first radius, a second segment having a first length adjoining the first segment, a third segment having a second radius adjoining the second segment, the second radius being greater than the first radius, and a fourth segment having a second length adjoining the third segment, the second length being approximately equal to the first length. | 05-05-2016 |