Patent application number | Description | Published |
20100313459 | Firing pin safety device for auto-loading firearms - The invention relates to a firing pin safety catch mechanism for a firearm, especially an auto-loading firearm which operates with a closed action such as found on the United States Military's M16 and its various derivatives. The safety catch mechanism consists of a firing pin which is housed within the bolt carrier assembly of the host firearm. Further, the firing pin is capable of being moved from a rest position at which its end is positioned in the travel path of a hammer, to a firing position; a firing pin spring is used to move the firing pin into its rest position; a catch, located on the carrier, which is operated by a spring capable of engaging and holding the firing pin in its rest position; and a cam surface about the exterior of the catch cooperating with the hammer and releasing the catch from engagement with the firing pin when the hammer has substantially completed its patch of travel. The purpose is to prevent the unintentional movement of the firing pin and thereby prevent the unintentional discharge of the host firearm. | 12-16-2010 |
20120152105 | Self loading firearm bolt carrier with integral carrier key and angled strike face - A bolt carrier for use with the AR15/M16 family of firearms is provided. The bolt carrier includes an integrally formed carrier key and spherical strike face surrounded by a cylindrical counterbore made with a downward angle to act against the tilting force imparted by the operating rod of the firearm's gas operating system. The outer surface of the carrier includes upper and lower running rails that all extend fully to the front face of the carrier to lengthen the carrier's rail support or bearing surfaces against the receiver. To improve the robust operation of the firearm in over the beach operations, the bottom and rear of the receiver extension has drain holes formed through which water is forced out of the receiver extension by the reciprocating action of the bolt carrier when the weapon is fired. In dry conditions, the firearm is protected against jamming by relief or sand cuts formed in the running rails which provide recesses for dirt to accumulate during operation so as not to interfere with movement of the bolt assembly. | 06-21-2012 |
20120167424 | Ambidextrously operated bolt catch assembly - An ambidextrously operated bolt catch assembly for a firearm facilitates ease of use by either right handed or left handed shooters. The ambidextrous bolt catch assembly includes two levers, one on each side of the firearm, that interact with each other. Each lever has a primary contact surface and a secondary contact surface. By depressing the primary contact surface of either lever, both levers rotate to move the bolt catch assembly from a displaced position to a static position. Conversely, by depressing the secondary contact surface of either lever, both levers rotate to move the bolt catch assembly from a static position to a displaced position. | 07-05-2012 |
20130152443 | AUTOMATIC RIFLE BOLT CARRIER WITH FLUTED BOSS - An automatic rifle bolt carrier with a fluted boss for the AR15/M16 family of firearms has been provided. The rear of the bolt carrier has been provided with a boss having bearing surfaces which are in operational contact with the interior of the host firearm's upper receiver to prevent the carrier from tilting while it is reciprocating during normal operation. The boss and rearward end of the bolt carrier are provided with flutes which allow water to flow between the buffer tube and upper receiver while the bolt carrier is reciprocating during normal operation, enabling a properly equipped firearm to be used during over the beach operations. The bolt carrier also includes a scallop cut located about the top of its backmost end which is perpendicular to the longitudinal axis of the bolt carrier. | 06-20-2013 |
20140026744 | SELF LOADING FIREARM BOLT CARRIER WITH INTEGRAL CARRIER KEY AND ANGLED STRIKE FACE - A bolt carrier for use with the AR15/M16 family of firearms is provided. The bolt carrier includes an integrally formed carrier key and spherical strike face surrounded by a cylindrical counterbore made with a downward angle to act against the tilting force imparted by the operating rod of the firearm's gas operating system. The outer surface of the carrier includes upper and lower running rails that all extend fully to the front face of the carrier to lengthen the carrier's rail support or bearing surfaces against the receiver. To improve the robust operation of the firearm in over the beach operations, the bottom and rear of the receiver extension has drain holes formed through which water is forced out of the receiver extension by the reciprocating action of the bolt carrier when the weapon is fired. | 01-30-2014 |
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 |
20140060293 | RIFLE CHARGING HANDLE - An ambidextrously operated charging handle for use with the M16 family of firearms is provided. The charging handle provides a latch mechanism consisting of two extended handles which are in operational communication with each other. Either handle may be independently retracted to disengage the latch mechanism of the charging handle from the host firearms receiver. The spring-biased mechanism of the charging handle is sheltered within the interior of the charging handle thereby protecting it from the elements. Further, an improved axial pin has been provided to secure the handles of the latch mechanism to the grasping portion of the charging handle. | 03-06-2014 |
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 |
20140076144 | BOLT CARRIER AND BOLT FOR GAS OPERATED FIREARMS - An improved bolt and bolt carrier with integral gas key having an extension nozzle threadedly secured and pinned to the gas key for use with a direct gas operated firearm is provided. The extension nozzle is designed to receive a portion of the host firearm's gas operating system. The firing pin retaining pin is oriented so as to expose its widest profile to the firing pin's annular flange, increasing its service life. The bolt has a plurality of lugs extending from its forward end. The extractor recess is constructed so that the face of the bolt is round and the adjacent lugs fully supported. The extractor engages approximately 17% more of a seated ammunition cartridge's rim as compared to the prior art AR15/M16 extractor. The result is an improved bolt and bolt carrier which provides for increased operational reliability. | 03-20-2014 |
20140076146 | FIREARM RECEIVER ASSEMLBY - An upper receiver assembly for a firearm having an upper receiver with an integral barrel nut, a handguard assembly and a barrel nut assembly with a barrel and lock nut is provided. The barrel is received by the upper receiver and is secured directly to the upper receiver using the lock nut. The upper receiver also includes an integral handguard mounting member to which the handguard assembly may be directly attached. The upper receiver assembly allows the user to attach both the barrel and handguard assemblies directly to the upper receiver, independently of one another. | 03-20-2014 |
20140090283 | BOLT CARRIER AND BOLT FOR GAS OPERATED FIREARMS - An improved bolt and bolt carrier with integral gas key having an extension nozzle threadedly secured and pinned to the gas key for use with a direct gas operated firearm is provided. The extension nozzle is designed to receive a portion of the host firearms gas operating system. The firing pin retaining pin is oriented so as to expose its widest profile to the firing pins annular flange, increasing its service life. The bolt has a plurality of lugs extending from its forward end and an extractor recess. The extractor recess is constructed to accommodate an enlarged extractor claw while not undercutting the bolt lugs adjacent thereto. The extractor engages approximately 57% more of a seated ammunition cartridges rim as compared to some prior art AR15/M16 type extractors used with automatic firearms chambered in 6.8 SPC. The result is an improved bolt and bolt carrier which provides for increased operational reliability. | 04-03-2014 |
20140260946 | FIREARM BUFFER SYSTEM AND BUTTSTOCK ASSEMBLY - A buttstock assembly configured to work in conjunction with a compact buffer assembly consisting of a buffer tube, spring and bolt carrier with an integral buffer is provided. The buttstock assembly, buffer tube and bolt carrier are configured to work with AR15/M16 type firearms and their derivatives. By incorporating the buffer onto the bolt carrier, which is used in conjunction with a buffer tube of reduced length, the overall length of the host firearm is reduced by approximately 3.2 inches. No permanent modification need be made to the host firearm in order to utilize the compact buffer assembly and buttstock assembly disclosed herein. | 09-18-2014 |
20140260947 | ADJUSTABLE GAS BLOCK FOR AN INDIRECT GAS OPERATED FIREARM - A firearm including a barrel, receiver, indirect gas system and an adjustable gas block designed to interface with the indirect gas system is provided. Four indexable positions of adjustment are provided for on the adjustable gas block. Positions of adjustment are selected based on the use of a silencer, use of under-powered ammunition, the presence of un-burnt powder and debris in the host firearms operating system, or if the weapon is being fired under “ideal” circumstances. The provided gas block is designed to function with an indirect gas operating system. Excess gas from the operating system is not vented from the gas block thereby generating excess flash and sound. No tool is required to manipulate the adjustment mechanism of the gas. | 09-18-2014 |