Class / Patent application number | Description | Number of patent applications / Date published |
042750020 | Barrel to receiver | 43 |
20080216378 | EXCHANGEABLE BARREL MODULES FOR FIREARMS - A method and apparatus are described for an exchangeable barrel module for a firearm equipped with the same. An example firearm includes an exchangeable barrel module, which includes a barrel and a barrel jacket. The barrel module also includes a range finder, control electronics, a transmitter to transfer the result of the control electronics to a projectile, an operating element, and a power supply. Further, the barrel jacket holds the barrel and at least a portion of the range finder, the control electronics, the transmitter, the operating elements, or the power supply. | 09-11-2008 |
20080289238 | BARREL LINK FOR A SEMIAUTOMATIC WEAPON - An improved barrel link for consistently and reliably placing a barrel of a semi-automatic pistol into battery is disclosed. One embodiment of the present invention extends the width of the barrel link beyond that of the receiving channel of the barrel lug legs so as to substantially equal the exterior dimension of the barrel lug. In addition, the portions of the barrel link extending beyond the width of the channel of the barrel lug are designed to provide multiple points of contact with the front face of the barrel lug in both vertical and horizontal positions so as to reliably and consistently place the barrel into battery. The additional width of the barrel link and additional contact between the link and barrel lug aids in stabilizing lateral and rotational forces prolonging the life of the weapon. | 11-27-2008 |
20090000173 | FIREARM - A firearm including a bolt for securing a barrel such that the barrel attaches to a receiver with increased repeatability at the same location. The bolt included a tapered end and may also include a threaded section. The receiver comprises a barrel attachment feature which allows the bolt to pass through and can also include threads for engaging the bolt. The barrel comprises a beveled recess for engaging the tapered end of the bolt. The angle of the tapered end and the beveled recess are approximately reciprocal. The bolt passes through the receiver and its tapered end engages the beveled recess to secure the barrel to the receiver. | 01-01-2009 |
20090007477 | FIREARM - An improved firearm having a barrel coupled to an upper receiver where the receiver includes a passageway extending generally parallel to the longitudinal axis, and a guidance feature extending along the passageway generally parallel to the longitudinal axis. The firearm also includes a lower receiver coupled to the upper receiver and a recoil spring assembly comprising a mating attachment structure and a disassembly button disposed on a lateral side of the upper receiver. The mating attachment structure is attached to an attachment structure of the lower receiver to attach the lower receiver to the upper receiver. Actuation of the disassembly button detaches the mating attachment structure from the attachment structure to detach the lower receiver from the upper receiver. | 01-08-2009 |
20090019756 | Rapid locking system of the trigger plate to the action body of a firearm - A rapid locking system ( | 01-22-2009 |
20100154273 | BARREL LINK FOR A SEMI-AUTOMATIC WEAPON - An improved barrel link for consistently and reliably placing a barrel of a semi-automatic pistol into battery is disclosed. One embodiment of the present invention extends the width of the barrel link beyond that of the receiving channel of the barrel lug legs so as to substantially equal the exterior dimension of the barrel lug. In addition, the portions of the barrel link extending beyond the width of the channel of the barrel lug are designed to provide multiple points of contact with the front face of the barrel lug in both vertical and horizontal positions so as to reliably and consistently place the barrel into battery. The additional width of the barrel link and additional contact between the link and barrel lug aids in stabilizing lateral and rotational forces prolonging the life of the weapon. | 06-24-2010 |
20100281742 | TAKEDOWN RIFLE - A take-down rifle is described that can be separated into two halves to allow the rifle to be transported, cleaned, etc. easier. The takedown rifle includes a takedown mechanism that is used to couple the two halves of the rifle together. The takedown mechanism may move between a first position where the takedown mechanism holds the two halves together and a second position where the two halves are released. In one embodiment, the takedown mechanism may include a securing member that is selectively moved into and out of a recess in the barrel to hold and release the two halves. The securing member may be moved into and out of the recess with a lever, threaded fastener, or the like. | 11-11-2010 |
20100307044 | SLEEVE AND METHOD FOR INCREASING RIFLE ACCURACY - The present invention provides for a sleeve that is mountable within a rifle stock. The sleeve includes a central aperture, one end of which is threaded and is adapted to receive a like-threaded male portion of an action. The action is of the type that includes a female threaded portion, this portion being configured to receive the threaded male portion of a rifle barrel. In this configuration, the sleeve is in direct contact with the stock, the action is in direct contact with the sleeve, and the barrel is in direct contact with the action. However, neither the barrel nor the action is in direct contact with the stock. As such, both the barrel and the action are ‘floated’ within the rifle assembly. In an alternative embodiment, the sleeve may be fabricated with the action such that the sleeve and action form a single integrated element. | 12-09-2010 |
20110000119 | TWO PIECE UPPER RECIEVER FOR FIREARMS - A two piece upper receiver for a firearm including a first piece having a front end, a rear end, a top, and a bottom, the first piece constructed to operatively carry a bolt carrier and bolt, and to have a barrel coupled to the front end. The bottom is constructed to have a lower receiver coupled thereto. The first piece includes a backbone extending along the top between the front end and the rear end, the back bone having upwardly directed indexing surfaces. A second piece overlies the backbone and includes mating surfaces engaging the indexing surfaces, aligning the second piece with the first piece. A receiving structure is opposite the mating surfaces for receiving accessory devices mounted thereon. Fasteners fixedly attach the second piece to the first piece to form a complete upper receiver. | 01-06-2011 |
20110107644 | PISTOL CONVERTER - A pistol converter including a body defining a forward pistol barrel engaging portion, a stock coupled to the body, and a rear engagement member for firmly engaging an external portion of a rear of a frame of the pistol. | 05-12-2011 |
20110214327 | TWO PIECE UPPER RECEIVER FOR FIREARMS - A two piece upper receiver for a firearm including a first piece having a front end, a rear end, a top, and a bottom, the first piece constructed to operatively carry a bolt carrier and bolt, and to have a barrel coupled to the front end. The bottom is constructed to have a lower receiver coupled thereto. The first piece includes a backbone extending along the top between the front end and the rear end, the back bone having upwardly directed indexing surfaces. A second piece overlies the backbone and includes mating surfaces engaging the indexing surfaces, aligning the second piece with the first piece. A receiving structure is opposite the mating surfaces for receiving accessory devices mounted thereon. Fasteners fixedly attach the second piece to the first piece to form a complete upper receiver. | 09-08-2011 |
20120017483 | FIREARM BARREL RETAINING SYSTEM - A barrel retaining system for a firearm includes a firearm receiver having a barrel nut coupled thereto and a barrel assembly, which in one embodiment may include a barrel with a barrel extension coupled thereto. The barrel extension includes a plurality of barrel locking lugs that rotatably engage corresponding locking elements disposed on the barrel nut. The barrel extension may further include a flange that may engage one end of the locking elements of the barrel nut and the barrel locking lugs may engage an opposite end of the locking elements to wedge the locking elements therebetween for securing the barrel extension to the barrel nut. The firearm may be an autoloading rifle in some embodiments. | 01-26-2012 |
20120073179 | BARREL ALIGNMENT AND LOCKING ASSEMBLY - An alignment and locking assembly includes an alignment tab having an engagement surface and a feed ramp extending proximally from the engagement surface. The assembly also includes a barrel extension having a distal end, and a proximal end. The proximal end defines a slot configured to matingly receive the engagement surface. | 03-29-2012 |
20120079752 | TACTICAL FIREARM SYSTEMS & METHODS OF MANUFACTURING SAME - Tactical firearm systems and methods of manufacturing tactical firearm systems are discussed herein. In some embodiments, a tactical weapons platform can comprise a forend assembly adapted to house a portion of a barrel; a receiver assembly detachably coupled to the forend assembly and adapted to interface with a bolt action; and a butt stock assembly detachably coupled to the receiver assembly. In other embodiments, a modular stock assembly for a bolt action rifle can generally comprise a forend assembly, a receiver assembly, and a butt stock assembly. The forend assembly can have a body adapted to house a barrel in a free floating configuration, wherein the body surrounds at least a portion of the length of the barrel. The receiver assembly can be detachably coupled to the forend assembly and adapted to directly interface with a bolt action without bedding. The butt stock assembly can be detachably coupled the receiver assembly by a hinge. Other aspects, features, and embodiments are also claimed and described herein. | 04-05-2012 |
20120110885 | METHOD FOR PRODUCING A GUN BARREL, DEVICE FOR PRODUCING A GUN BARREL AND A GUN BARREL - A method for producing a gun barrel, in which the barrel is formed from a pipe blank ( | 05-10-2012 |
20120117845 | TWO PIECE UPPER RECEIVER FOR FIREARMS - A two piece upper receiver for a firearm including a first piece having a front end, a rear end, a top, and a bottom, the first piece constructed to operatively carry a bolt carrier and bolt, and to have a barrel coupled to the front end. The bottom is constructed to have a lower receiver coupled thereto. The first piece includes a backbone extending along the top between the front end and the rear end, the backbone having upwardly directed indexing surfaces. A second piece overlies the backbone and includes mating surfaces engaging the indexing surfaces, aligning the second piece with the first piece. A receiving structure is opposite the mating surfaces for receiving accessory devices mounted thereon. Fasteners fixedly attach the second piece to the first piece to form a complete upper receiver. | 05-17-2012 |
20120131834 | FIREARM WITH QUICK COUPLING BARREL SYSTEM - A spring-loaded quick coupling barrel retaining system for a firearm. The firearm includes a receiver, a barrel nut, and barrel assembly rotatably mounted thereto. In one embodiment, the barrel assembly may include barrel locking lugs which rotatably engage and interlock with corresponding locking elements disposed on the barrel nut such a splines. The barrel assembly further includes a spring member forming a flexible interface with the barrel nut. The spring member self-tensions and tightens the lockup between the barrel assembly and barrel nut to promote a tight fit. Some embodiments may include a lock nut and a setting tool for adjusting the spring force to promote consistently proper lockup from one replacement barrel assembly to the next. | 05-31-2012 |
20120131835 | QUICK COUPLING BARREL SYSTEM FOR FIREARM - A spring-loaded quick coupling barrel retaining system for a firearm. The firearm includes a receiver, a barrel nut, and barrel assembly rotatably mounted thereto. In one embodiment, the barrel assembly may include barrel locking lugs which rotatably engage and interlock with corresponding locking elements disposed on the barrel nut such a splines. The barrel assembly further includes a spring member forming a flexible interface with the barrel nut. The spring member self-tensions and tightens the lockup between the barrel assembly and barrel nut to promote a tight fit. Some embodiments may include a lock nut and a setting tool for adjusting the spring force to promote consistently proper lockup from one replacement barrel assembly to the next. | 05-31-2012 |
20120167433 | MODULAR AUTOMATIC OR SEMI-AUTOMATIC RIFLE - A modular automatic or semiautomatic rifle. The rifle has a lower receiver assembly having a fire control assembly for firing the rifle. An upper receiver assembly is provided with a frame and a bolt carrier assembly configured for firing bullets of a predetermined caliber. The lower receiver has a mating interface configured for operably joining the lower receiver assembly to the upper receiver assembly, and for operably joining the lower receiver assembly to another upper receiver assembly different from the upper receiver assembly configured for firing bullets of the predetermined caliber. The other upper receiver assembly has a different frame and different bolt carrier assembly configured for firing bullets of a different predetermined caliber. | 07-05-2012 |
20120216439 | FIREARM WITH QUICK COUPLING BARREL INTERLOCK SYSTEM - A firearm with barrel interlock system for a rotary mounted quick coupling barrel assembly. In one embodiment, the firearm includes a receiver and barrel assembly rotatably mounted thereto. A bolt carrier supporting a bolt is slidably disposed in the receiver and axially movable into and out of battery with the barrel assembly. The barrel interlock system may include a first barrel anti-rotation locking element disposed on the barrel assembly and a mating second barrel anti-rotation locking element disposed on the bolt carrier that is engageable with the first element. When mutually engaged, the first and second locking elements form a meshed relationship and prevent rotation and removal of the barrel assembly from the receiver. In some non-limiting embodiments, the locking elements may be in the form of a protrusion and complementary shaped recess. | 08-30-2012 |
20120311908 | BARREL MOUNTING AND RETENTION MECHANISM - A barrel mounting and retention device for attaching a barrel to a receiver of a firearm. The barrel mounting and retention device can include a barrel extension disposed at a proximal end of the barrel, with an annular collar extending from the barrel extension and defining a first clamp face. A mounting plate having a second clamp face and defining a first axial bore fits over the barrel of the firearm with the barrel extending through the first axial bore. At least a portion of the second clamp face abuts a portion of the first clamp face as the mounting plate is secured to the barrel extension for mounting and retaining the barrel in communication with the receiver of the firearm. | 12-13-2012 |
20130145669 | PISTOL BARREL SYSTEM AND METHOD - An interchangeable barrel system and related method for a pistol includes a barrel insert having an anti-rotation protrusion and a receiver having a complementary configured socket configured for receiving the protrusion. An embodiment of a barrel insert includes a chamber for holding a cartridge and a locking mechanism configured for releasably securing the barrel insert to the receiver. In some embodiments, the locking mechanism comprises a threaded engagement between the barrel insert and receiver. The system allows barrel inserts of different calibers, configurations, and materials to be swapped with the receiver, and vice-versa. | 06-13-2013 |
20130205637 | Quick Take-Down Barrel System and Method for Modular Rifle - In embodiments, a modular rifle includes a lower receiver assembly, an upper receiver assembly housing a barrel, and a coupling mechanism. Upper receiver assembly has two portions, an aft portion and fore portion, commonly comprising a hand guard. The barrel is releasably attached to the upper receiver first portion by a hand-tightenable barrel nut sleeve connector. Upper receiver second portion is both releasably attached to the barrel nut connector sleeve and to the upper receiver first portion to prevent the barrel nut connector sleeve from rotating during firing of the rifle and to keep the second portion from detaching during firing of the rifle. Attachment of upper receiver second portion to the barrel nut connector sleeve is accomplished by a removable take-down pin and common screw clamp, which secure the barrel nut connector sleeve. Upper receiver first and second portions are connected by an attachment tab and receptacle. | 08-15-2013 |
20130219765 | FIREARM WITH BARREL FIXED BY AT LEAST ONE SCREW - A firearm with a barrel fixed to a firearm body by at least one screw, wherein the firearm body includes a housing to receive the barrel and wherein the screw is fixed to the firearm body so that the firearm body tightens against or grips the outer surface of the barrel. In order to strengthen the connection between the barrel and the firearm body and fully ensure that the former does not move in either a longitudinal or rotary direction in relation to the latter, the barrel includes at least one surface hollow on its outer surface, and part of the screws already fixed to the firearm body are arranged inside a surface hollow, so that the screws inserted partly into the surface hollow provide longitudinal and rotary locking of the barrel against the firearm body. | 08-29-2013 |
20130291420 | FIREARM AND FIREARM SYSTEM - A firearm which is modifiable by the user such that a firearm barrel is arranged replaceable by the user, wherein the firearm comprises a barrel unit, which is detachable by the user and fastenable to a receiver, which barrel unit comprises the barrel and a locking piece, wherein the locking piece has a backward narrowing rear cone, which fits a cone in the receiver and which has a forward narrowing front cone, and which fits a cone in the centering bush, wherein to the centering bush is rotatably connected a clamping bush having an outer thread which fits an inner thread in the receiver, wherein by rotating the clamping bush in the locked direction, the rear end of the locking piece is centerable by means of the rear cone and lockable to the cone in the receiver. | 11-07-2013 |
20140033590 | BARREL NUT ASSEMBLY AND METHOD TO ATTACH A BARREL TO A FIREARM USING SUCH ASSEMBLY - A fixture for use with AR15/M16 type firearms is provided herein. The fixture is made up of several parts that when used in conjunction with one another mitigate the transfer of torque from the barrel nut to the firearms receiver during barrel installation. The fixture affords the user a method and apparatus that holds the barrel in alignment with the firearm receiver and secures the barrel against rotational movement during installation of a barrel nut or similar device. The fixture may be configured to work with the legacy AR15/M16 type barrel nut, as well as other designs as disclosed herein. | 02-06-2014 |
20140075817 | BARREL NUT ASSEMBLY AND METHOD TO ATTACH A BARREL TO A FIREARM USING SUCH ASSEMBLY - A firearm barrel nut assembly including a barrel nut, generally cylindrical in shape with a threaded central bore, and an externally threaded locknut which is used in conjunction with the barrel nut to secure a barrel to a firearm upper receiver. The barrel nut has an integral bushing on its exterior constructed to support either the gas tube or piston of the host firearm's operating system. The barrel nut is configured so that it may be independently and non-rotationally held within a vice or other fixture during installation of the barrel and while the locknut is tightened to a preset torque to hold the barrel in place while the barrel nut is independent of the torque applied to the locknut to properly secure the barrel to the upper receiver. | 03-20-2014 |
20140150318 | FIREARM AND COMPONENT CARRIER FOR A FIREARM - The invention relates to a firearm and a component carrier therefor. The firearm has a barrel and a breech. The component carrier comprises a grip portion for receiving at least a portion of the barrel, a housing portion for receiving at least the breech, and a coupling member in a transition zone between said two portions for coupling the barrel with the breech. The grip portion is separated into a support part radially supporting the barrel, and a spacer part keeping the support part axially spaced from the coupling member. The spacer part is configured to receive the barrel with radial clearance. | 06-05-2014 |
20140157640 | Firearm With Integrated Suppressor - Firearms with integrated suppressors have a receiver having a forward portion defining an internal bore, a tubular body having sides defining an interior, a selected portion of the interior receiving a barrel, the barrel having a rear end removably received in the internal bore, a selected portion of the interior receiving a plurality of baffles, and wherein at least one side of the body can be disassembled into a panel to enable access to the baffles. Each of the baffles may define an aperture. The barrel may have a central bore that defines a bore axis, and the baffle apertures may be axially registered with the bore axis. At least one side of the body may have an attachment facility that removably connects an accessory to the rifle. The barrel, baffles, and body may be of monolithic or modular construction. | 06-12-2014 |
20140165444 | Firearm With Barrel Cinching Clamp - Firearms with barrel cinching clamps have a receiver having a forward portion defining an internally threaded bore, a barrel having a threaded end removably received in the bore, at least a selected portion of the forward portion being split by a gap, the selected portion having connection elements on opposite sides of the gap, and an adjustable element connected to the connection elements and operable to narrow the gap to secure the barrel in the bore and to widen the gap to permit the barrel to be readily unscrewed from the bore. The bore may define a bore axis, and the gap may be parallel to the bore axis. A circumferentially complete portion of the threaded bore including a plurality of threads adjacent to the gap may be unbroken by a gap. The circumferentially complete portion of the threaded bore may be forward and/or rearward of the selected portion. | 06-19-2014 |
20140345179 | RIFLE FOREND WITH INTEGRATED BARREL NUT - An embodiment presents a rifle including an upper receiver, a barrel assembly connected to the upper receiver and a forend with an integrated barrel nut. The integrated barrel nut is connected to the barrel assembly such that the forend is directly connected to and aligned with the upper receiver. Another embodiment provides a method for assembling a firearm. The method includes inserting a barrel assembly into an upper receiver. The method also includes threading a forend with an integrated barrel nut over the outer surface of the barrel assembly. The method also includes checking an alignment between the upper receiver and the forend. | 11-27-2014 |
20150007478 | FIREARM WITH QUICK COUPLING BARREL SYSTEM - A spring-loaded quick coupling barrel retaining system for a firearm. The firearm includes a receiver, a barrel nut, and barrel assembly rotatably mounted thereto. In one embodiment, the barrel assembly may include barrel locking lugs which rotatably engage and interlock with corresponding locking elements disposed on the barrel nut such as splines. The barrel assembly further includes a spring member forming a flexible interface with the barrel nut. The spring member self-tensions and tightens the lockup between the barrel assembly and barrel nut to promote a tight fit. Some embodiments may include a lock nut and a setting tool for adjusting the spring force to promote consistently proper lockup from one replacement barrel assembly to the next. | 01-08-2015 |
20150040454 | INJECTION MOLDED GUN BARREL ASSEMBLY - A gun barrel assembly includes an outer casing, an inner liner and a tubular breech insert, all of which extend longitudinally from a muzzle end to a breech end. The casing is composed of a polymeric material or resin matrix material filled with carbon fibers and the liner is composed of a metal material. A muzzle end portion of the insert is disposed within the breech end portion of the casing bore. One or more structures on the breech insert muzzle end portion are interlocked with the casing breech end portion. | 02-12-2015 |
20150040455 | FIREARM ASSEMBLY WITH UPPER RECEIVER INCORPORATING AN INTEGRAL UPPER RAIL - Disclosed is a firearm assembly that includes a monolithic rail platform that includes an upper receiver, a barrel assembly received in the upper receiver, and a top rail integral with the monolithic rail platform that extends over a portion of the barrel assembly. | 02-12-2015 |
20150135573 | HYBRID UPPER RECEIVER FOR A RIFLE - A combination metal/polymer upper receiver for use in a rifle, with the upper receiver attachable to a lower receiver and to a barrel. The upper receiver comprises a polymeric upper receiver housing defining a chamber. The polymeric upper receiver housing is adapted to engage with mounting features on the lower receiver to attach a lower receiver to the upper receiver at a first connection. A metal insert is secured within the polymeric upper receiver housing and is adapted to engage the barrel. The metal insert further includes an extended member embedded within the polymeric upper receiver housing such that the extended member receives the impact from a bolt carrier group residing within the chamber. An optional metal gas tube channel is located along an upper internal surface of the polymeric upper receiver housing and extends the length of the polymeric upper receiver housing. | 05-21-2015 |
20150308779 | QUICK-RELEASE BARREL FIREARM - Firearms with improved systems and methods of attaching the barrels that can provide for quicker and easier replacement of the barrel. In particular embodiments, the attachment mechanism includes a door that opens to release the barrel from the receiver. In certain embodiments, the door is located on the firearm below the barrel, a latch releasably holds the door closed, the door is pivotably attached to the receiver at a first end of the door, the latch is at a second end of the door, the door includes a barrel clamp that contacts a flange at a rearward end of the barrel to secure the barrel to the receiver, a rotating cam in the door secures the barrel to the receiver, the barrel attaches to the receiver without screwing the barrel into the receiver and without screwing an attachment component onto threads on the receiver, or a combination thereof. | 10-29-2015 |
20150316347 | Hand Guard Installation Mechanism - A hand guard installation mechanism for securing a hand guard over the barrel of a firearm includes a tapered locking element that extends at least partially through the hand guard and interfaces with a surface of the barrel nut of the firearm. A fastener mates with the locking element, drawing the locking element at least farther into the hand guard and against the surface of the barrel nut. As the locking element is drawn against the barrel nut, the hand guard is tightened against the barrel nut such that the hand guard is secured in place against the receiver of the firearm. | 11-05-2015 |
20150369555 | Systems and Methods for Mounting Barrels to Firearms - Systems and methods for mounting a barrel to a firearm are disclosed herein. The firearm may include a barrel, an upper receiver, a hand guard assembly, a lower receiver, a pistol grip, a buttstock, and a trigger. A barrel extension may include internal threads, mounting protrusions, mounting apertures, an elongated front barrel extension portion, an elongated rear barrel extension portion, and a barrel extension mounting flange. The barrel extension may be sandwiched and secured in between the upper receiver and the hand guard assembly via clamping screws. | 12-24-2015 |
20160010938 | BARREL EXTENSION | 01-14-2016 |
20160054096 | ADJUSTABLE FREE-FLOAT FOREND/HANDGUARD MOUNTING ASSEMBLY - An adjustable free-float forend/handguard mounting assembly for a small arms weapon, for attaching a forend/handguard to the small arms weapon. The assembly includes a barrel nut having internal female threads at a forward end and internal female threads at an opposite rearward end and having a plurality of radial utility holes. The assembly further includes a jam ring having internal cylindrical surfaces and having a plurality of threaded radial mounting holes, a washer, and a jam bolt having a hollow cylindrical body with a rearwardly extending externally male threaded portion and a forward external collar portion. The jam ring is rotatingly supported on its internal cylindrical surfaces for free rotation about the male threaded portion and the forward external collar portion of the jam bolt. The washer and the jam ring have similar internal diameters and are each similarly mounted on the jam bolt. The rearwardly extending externally male threaded portion of the jam bolt is adapted to engage with the internal female threads at the forward end of the barrel nut. | 02-25-2016 |
20160091276 | LOCK UP SYSTEM FOR A HANDGUARD - A lock-up system for a firearm comprising a wedge assembly having a top wedge member and a bottom wedge member, each having complementary inclined surfaces; a barrel nut that is configured to receive an outer portion of an upper receiver; and a handguard that is configured to receive the barrel nut and the combined wedge assembly within a lower lip of the handguard. The wedge assembly may include an optional assembly screw and a locator pin where the top wedge member and bottom wedge member are tightly joined to each other via the assembly screw and the locater pin. In use, the lock-up system is used to join the handguard and barrel nut to a corresponding upper receiver with little to no play between the handguard and the upper receiver such that the connection between the two via the wedge assembly is intended to be permanent. | 03-31-2016 |
20160161201 | Modular Firearm - A firearm having a lower receiver is provided. The receiver is adapted to couple with a plurality of upper receivers having different calibers. The lower receiver comprises a receiver extension having an opening therein. A spring is disposed within the opening. A buffer member is provided having a first portion having an end. The buffer member is coupled to the spring within the opening, wherein the buffer member is movable between a first position where the end is within the opening and a second position wherein the end external to the opening. | 06-09-2016 |
20160187083 | POLYMER/COMPOSITE FIREARMS AND A PROCESS FOR STRENGTHENING POLYMER/COMPOSITE FIREARMS - A strengthened firearm includes at least one metal/composite material formed into at least one firearm component, and a polymer/composite material combined with the at least one firearm component. The metal/composite material replaces the polymer/composite material in a specific area or component of the firearm that may be weak or tend to fail earlier than other areas or components of a polymer/composite firearm. The method of combining the multiple materials allows for additional strength in the firearm. | 06-30-2016 |