Entries |
Document | Title | Date |
20080276797 | SELF-CLEANING GAS OPERATING SYSTEM FOR A FIREARM - A self-cleaning gas operating system for a firearm having a conventional bolt carrier assembly is disclosed comprising: a nozzle assembly having a nozzle in direct communication with a port on the muzzle; said nozzle assembly nested within a piston cup having a vent, a connecting rod operationally linking the piston cup to a spring loaded operating rod which is substantially co-axial to a bolt carrier key having a striking portion, said striking portion having a concave strike face in contact with said operating rod, wherein gas discharged from a fired cartridge displaces the piston cup and causes the operating rod to strike the strike face displacing the bolt assembly. | 11-13-2008 |
20100000400 | FIREARM HAVING AN INDIRECT GAS IMPINGEMENT SYSTEM - A firearm including a barrel having a breech and a muzzle defining a length of the barrel is disclosed. The firearm includes a hand guard having a first end and a second end with a front sight is attached to at least one of the barrel adjacent the muzzle and the second end of the hand guard. A housing is coupled to the front sight and defines a chamber having a piston disposed therein and movable between static and displaced positions. A receiver is coupled to the first end and a bolt carrier is disposed within the receiver and moveable between firing and rearward positions. A carrier key is attached to the bolt carrier and moves concurrently with the bolt carrier and a rod is permanently affixed to the carrier key and extends to a distal end with the piston engaging the distal end when moving to the displaced position. | 01-07-2010 |
20100071541 | FIREARM HAVING AN IMPROVED GAS-OPERATED ACTION - A shotgun includes a gas-operated action. The gas operated action includes a cylinder having at least one wall, a piston, and a resilient member. The resilient member is positioned between the piston and the wall of the cylinder to prevent high pressure gas from escaping between the piston and the wall of the cylinder. The resilient member and any surface that the resilient member is in contact with do not move relative to each other when the piston moves. | 03-25-2010 |
20100101405 | DIRECT DRIVE RETROFIT FOR RIFLES - A direct drive retrofit system for use with an M-16 or AR-15 rifle for conversion from an impingement system comprising: a gas block, the gas block having a barrel bore and a gas plug bore; a gas plug, the gas plug being inserted into the gas plug bore from the muzzle end; a bolt carrier key, the bolt carrier key being configured to mount directly to a bolt carrier; a rod, the rod being manufactured from a single continuous material stock; and a biasing means; wherein, the rod can be uninstalled without removal of a hand guard or the gas block by extracting the gas plug from the gas plug bore from the muzzle end, the actuating means releasing the rod, the rod being freely extracted thereafter by a user in a single piece. | 04-29-2010 |
20100186582 | Gas System for an Automatic Firearm - The present invention is a gas system for a firearm comprising a hollow gas tube extending between a forward gas tap in a firearm's barrel and a rearward piston assembly to impinge upon and operate the firearm's bolt operating system. The system does not have a translation rod extending between the two components as in prior art systems nor does it have a rearward tap like others. As such, it balances cleanliness and weight reduction of the prior art systems and reduces moving parts. | 07-29-2010 |
20100263527 | Firearm - An improvement to a firearm of the character having an upper receiver, an operating rod operably associated with the upper receiver for movement between a first position and a second position, and a lower receiver connected to the upper receiver. The improvement concerns a novel bolt and barrel lock and release mechanism carried by the upper receiver and a novel trigger mechanism carried by the lower receiver. | 10-21-2010 |
20100269682 | BOLT CARRIER FOR GAS OPERATED RIFLE - A gas operated autoloading firearm having an improved bolt carrier. The gas piston system may include a barrel defining a longitudinally-extending bullet pathway, a gas block defining a piston bore, a passageway fluidly connecting the bore with the bullet pathway for diverting combustion gas to the bore upon discharging the firearm, and a piston slidably disposed in the bore for reciprocating movement. The piston actuates a reciprocating bolt assembly including a bolt carrier slidably received in a receiver. The bolt carrier includes supporting and guiding surfaces configured to reduce receiver wear and bolt carrier drag. | 10-28-2010 |
20110005383 | CARTRIDGES AND MODIFICATIONS FOR M16/AR15 RIFLE - Embodiments of the present invention relate generally to cartridges and modifications for an M16/AR15 rifle. In one embodiment, a modified M16/AR15 rifle or carbine includes a bolt having a maximum outside diameter greater than that of a standard M16/AR15 bolt; and a bolt extractor pivoted to the bolt. The bolt and the bolt extractor are operable to: transport a cartridge from a magazine to a barrel, and eject a spent cartridge from the barrel. The rifle or carbine further includes a barrel extension configured to receive the bolt; a standard M16/AR15 upper receiver coupled to the barrel extension; a standard M16/AR15 lower receiver coupled to the upper receiver. | 01-13-2011 |
20110005384 | MONOLITHIC RAIL PLATFORM AND BOLT ASSEMBLIES FOR A FIREARM - A firearm assembly for a firearm can include a monolithic rail platform with a handguard portion and an upper receiver portion. The barrel of the firearm can be positioned through the handguard portion and secured with the upper receiver portion. A firearm assembly can also include a bolt assembly with a bolt carrier having minimized land area and a forward end sized for receipt in the barrel extension at the rearward end of the barrel. | 01-13-2011 |
20110017058 | AUTOMATIC PISTOL - An automatic pistol essentially consists of an immovable barrel, a breech with a firing pin and a cartridge extractor, a breech frame, a spring-loaded device for the removal of gas with a gas piston and a gas cylinder, a firing mechanism and a magazine. The barrel is fitted with an end piece, which is located in the lower part of the rear end of the barrel. The design of the breech allows for the displacement of its front part downwards, when the breech is in its front end position. The front part of the breech is fitted with side locking lugs. The corresponding locking grooves are located in the cavities on the end piece of the barrel. The gas piston has an opening for ejecting the cartridge casing. In the course of the backward movement, the gas piston unlocks the breech and draws it back. In the forward movement, the breech is carried forward and pushed downwards. The gas cylinder is located at the front part of the barrel and encompasses the barrel. Along the length of the barrel gas ducts are fixed. | 01-27-2011 |
20110083551 | SIDE HANDLE FIREARM ACTUATION SYSTEM - In accordance with various exemplary embodiments, a firearm actuation system is provided. The firearm actuation system, comprising a housing, a guide, a contoured actuation handle, and a bolt. The system provides an actuation mechanism for an AR-15 which is engagable by a shooter where the AR-15 is in a shouldered firing position. The contoured actuation handle may be retained in the retaining slot to provide an action-open-position. The housing may also comprise a mounting rail with a plurality of grooves, where each groove may be configured with a unique indicator. | 04-14-2011 |
20110094373 | CONVERTIBLE GAS PISTON CONVERSION SYSTEM - A convertible gas piston conversion system for the AR-15, AR-10, or their variant rifle platforms is provided to convert the platform from a direct impingement gas system to a piston driven operating system. The conversion system includes a gas block having a barrel bore and two piston cylinder bores one on either side of the gas block. One of the piston cylinder bores is for utilization of the AR-15 rifle and the other of the piston cylinder bores is for utilization of the AR-10 rifle, making this piston system convertible for either the AR-15, AR-10, or any of their variant rifle platforms. A piston cylinder is inserted into the gas block via the piston cylinder bore and a piston is actuated inside the piston cylinder to cycle the rifle. A connecting link is coupled between the piston and an op-rod making the gas systems length adjustable by simply replacing the connecting link. The op-rod acts directly upon a carrier lug to cycle the rifle and a compression spring or the like returns the piston back into the battery within the piston cylinder. An op-rod bushing guides the op-rod throughout travel. A bolt carrier includes a lug and an anti tilt/anti wear device. The bolt carrier provides a lug for the op-rod to impinge upon to cycle the rifle. The anti tilt/anti wear bolt carrier device installs into the rear of the bolt carrier to minimize damage and wear to the buffer tube and upper receiver from a condition identified as carrier tilt. | 04-28-2011 |
20110209607 | Apparatus and Method For Improved Weapon Configuration - Disclosed herein is a rifle. The rifle includes a body receiver, a barrel, a bolt carrier system, a trigger assembly, and a gas system. The barrel extends from an end of the body receiver. The bolt carrier system is movably connected in the body receiver. The bolt carrier system includes a bolt and a bolt carrier. The trigger assembly is connected to the bolt carrier system. The trigger assembly includes a hammer and a sear. The trigger assembly is at a side portion of the bolt carrier. The gas system is connected between the bolt carrier system and the barrel. | 09-01-2011 |
20110265639 | Firearm - An improvement to a firearm of the character having an upper receiver, an operating rod operably associated with the upper receiver for movement between a first position and a second position, and a lower receiver connected to the upper receiver. The improvement concerns a novel bolt and barrel lock and release mechanism carried by the upper receiver and a novel trigger mechanism carried by the lower receiver. | 11-03-2011 |
20120085226 | Gas Piston System Actuator Assembly for Rifle Automatic Ejection and Reload - An actuator assembly includes a piston chamber assembly having a piston chamber and a pin receiving tube extending from the piston chamber. A gas transfer pin has a first end inserted in the pin receiving tube and a second end received in a rifle sight alignment bore. The gas transfer pin has a longitudinal bore in communication with the piston chamber. A piston member is slidably received in the piston chamber and includes a piston body with a piston member extension tube. The piston body includes a raised piston portion having piston rings, and a ring divider slot positioned between the piston rings. A rod assembly has a rod engagement end received in a piston member extension tube receiving bore. A piston clip has an arm extending through both the rod engagement end and the piston member extension tube connecting the rod assembly and piston member and a spiral end. | 04-12-2012 |
20120132068 | FIREARM HAVING A REMOVABLE HAND GUARD - A semi-automatic or automatic rifle. The rifle has a receiver having a receiver frame, a barrel removably connected to the receiver frame and a cover coupled to the barrel. A removable hand guard section extends over and generally surrounds the barrel, the removable hand guard section removably connected to the receiver. The removable hand guard section has a locating feature adapted to engage with the cover and locate the hand guard relative to the cover. The barrel has a locking collar adapted to removably position and lock the removable hand guard section relative to the receiver frame and the barrel. The removable hand guard floats in position relative to the barrel. | 05-31-2012 |
20120137870 | FIREARM COMPRISING COUNTER RECOIL DEVICE - The invention relates to firearms and especially shotguns as well as devices or mechanisms for reducing felt recoil. In particular, the invention relates to a gas-operated device to reduce felt recoil using a recoil suppressing mass, or recoil mass, to create a counter-acting force to the recoil force. The recoil mass moves in response to the gas pressure in the barrel after firing, and more particularly the control of the flow of gas into a chamber to force the recoil mass to move and generate a recoil suppressing force. In one aspect, incorporating the gas-operated device in a firearm can improve the operator's control of the firearm and measurably reduces felt recoil and/or muzzle climb | 06-07-2012 |
20120152104 | FIREARM HAVING A HYBRID INDIRECT GAS OPERATING SYSTEM - An automatic or semi-automatic rifle. The rifle has a receiver and a bolt having a striking surface, the bolt enclosed within the receiver. A barrel has a bore, the barrel coupled to the receiver. An indirect gas operating system has a cylinder and a piston, the indirect gas operating system mounted with a mounting structure substantially independent of the barrel. The cylinder is in communication with the bore, and the piston is fitted to the cylinder and disposed for striking the striking surface and displacing the bolt assembly. | 06-21-2012 |
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 |
20120180645 | GAS PISTON RETROFIT FOR RIFLE - A gas piston retrofit assembly is provided for a firearm having a bolt assembly mounted within a receiver, a barrel extending forward from the receiver, and a front sight block mounted on the barrel. The retrofit assembly includes a gas tube extending into the front sight block fluidly connected with the barrel, a piston cylinder having an arcuate-shaped piston chamber fluidly connected to the gas tube, a piston including an arcuate-shaped piston head extending forward from a piston body and telescopically received in the piston chamber, and including a piston rod extending rearward from the piston body and dimensioned and configured to extend into the receiver for engaging with a bolt assembly within the receiver. Upon firing a round of ammunition, pressurized gas within the barrel enters the piston chamber to move the piston rearward, for cycling the bolt assembly. A method of using the same is also disclosed. | 07-19-2012 |
20120180646 | WEAPONS, WEAPONS HOUSINGS AND METHODS OF PRODUCING SUCH WEAPONS AND WEAPONS HOUSINGS - Weapons, weapon housing and methods of producing such weapons and weapon housings are disclosed. An example weapon housing for use with a firearm includes at least two housing shells. Each of the housing shells comprises at least one positioning recess. The example weapon housing also includes at least one connection block comprising connecting pins. On an assembly plane of the connection block, the housing shells are to be positioned and aligned on the connecting pins via the respective positioning recess to enable forces that are to act in or against a direction of fire to be absorbed by surfaces of at least one of the positioning recesses or one or more of the connecting pins. | 07-19-2012 |
20120180647 | CHARGING MECHANISM FOR GAS POWERED FIREARMS - An improved mechanism for charging a gas powered firearm, especially with regard to the Kalashnikov variants of rifles known as AK-47s, comprising a modified gas tube having a lateral aperture formed into its left side, a sleeve suitably adapted to fit within the modified gas tube over the shaft of the operating rod, and a modified charging handle suitably adapted to connect to the sleeve and to extend from the firearm through the lateral aperture, such that the firearm may be manually charged from the left side by drawing the charging handle rearward; and providing safety improvements and a method of retrofitting firearms. | 07-19-2012 |
20120198990 | HANDGUARD SYSTEM WITH INTEGRAL GAS TUBE FOR GAS OPERATED FIREARMS - A novel firearm handguard system includes a handguard and an integrated gas tube. In a particular embodiment, the gas tube includes fastening feature and the handguard includes a complementary fastening feature that is adapted to be coupled to the fastening feature of the gas tube. In a more particular embodiment, the gas tube includes an integral mounting rail and the handguard includes an integral mounting rail. In an even more particular embodiment, the gas tube and the handguard each include a feature for configuring removable rail systems thereon. | 08-09-2012 |
20120240760 | Firearm having an articulated bolt train with transversally displacing firing mechanism, delay blowback breech opening, and recoil damper - This invention is about a firearm having an Articulated Bolt Train Assembly consisting of a series of linked carriages, containing mechanisms, displacing along non parallel tracks guides placed inside a by design Jaw Articulated Receiver that controls and governs its divergent paths, and holds all the sub assemblies in the convenient location allowing the synchronic movements of all the components to take place. The alternate divergent and converging motion of the Bolt Train Assembly and the Firing Mechanism, along, both, a bore axial path, and a transverse path, modifies the bearing of the recoil force, conveying a unique dynamic behavior, while performing different functions and achieving different purposes. In addition, the interaction of several components produce delay in the breech opening, and decelerate the rearwards motion to help, even more, the recoil damping. This invention has relevant consequences associated with the increased performance of firearms in civilian or military uses. | 09-27-2012 |
20120260793 | RECEIVER FOR AN AUTOLOADING FIREARM - Improved receiver set for an indirect or direct gas operated firearm wherein the charging handle has been moved to the side of the upper receiver, the magazine well has been flared open to better receive a magazine, and the lower receiver has a semi-circular shelf in the rear which supports the proximal end of the bolt carrier as it is longitudinally displaced due to firing of the weapon. | 10-18-2012 |
20120285317 | RIFLE - A rifle with an upper receiver and a barrel attached to the upper receiver and including a bolt carrier, and operating, buffer, and cooling systems. The operating system includes a cylinder and a piston coupled to receive propelling gases from the barrel. As the piston moves between retracted and extended positions the bolt carrier is moved between closed and open positions. The bolt carrier includes a weight movable within a guide frame between rearward and forward limits. The buffer system includes a compression spring in a tube attached to the upper receiver in abutting engagement with the bolt carrier. A partially fluid filled cylinder is attached to a coil of the spring and includes a piston and shaft. The piston is formed so that fluid in the cylinder restricts movement in one direction and allows free movement in a second direction. | 11-15-2012 |
20130036900 | Recoil Apparatus for Firearm - A recoil mechanism for an auto-loading firearm, having a gas-operated action bar assembly. One or more compression springs are used, mounted on associated retaining rods contained in a stationary orientation on the firearm. The springs are linked to the firearm's gas system at one end, and bear against stops affixed to ends of the spring retaining rods. The entire mechanism is contained within a forward grip mounted on the firearm, the grip optionally being provided with mounting rails. | 02-14-2013 |
20130263732 | FIREARM HAVING A REMOVABLE HAND GUARD - A system for removably securing a hand guard to a semi-automatic or automatic rifle is provided. The system having: a first locking assembly for removably coupling a rear end of the hand guard to an upper receiver of the rifle; a second locking assembly for removably coupling a forward end of the hand guard to the rifle; and wherein the first locking assembly and the second locking assembly axially and rotationally position the hand guard with respect to the rifle and wherein the hand guard is not directly secured to a barrel of the rifle. | 10-10-2013 |
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 |
20140041518 | Compressible Bolt Carrier Extension System - A semi-automatic or automatic rifle comprising a barrel attached to and upper receiver and including a compressible bolt carrier extension system. The compressible bolt carrier extension system includes a bolt carrier, an extension spring, two pins, and a reciprocation bolt carrier extension piece. As a whole, the compressible bolt carrier extension system makes possible the use of elongated upper and lower receivers to be used for chambering long-action or other center fire cartridges for use with AR rifles such as the M-16, and M4 etc., eliminating the need for any buffer or buffer tubes other than those commercially available. A further advantage of the compressible bolt carrier extension system is the reduction of felt recoil as the system fully loads during the recoil stroke as it pushes against the buffer absorbing additional recoil energy. The system can be incorporated into firearms using a variety of cartridges. | 02-13-2014 |
20140060311 | Gas Key - An improved gas key assembly for a fire arm, such as an AR 15 or a M4 rifle, having a gas key fastened by fasteners on a bolt carrier assembly where the gas key moves with the bolt carrier when the fire arm is fired, wherein the gas key has a slot for receiving a key element in the slot and the key element has a stem which is seated in the slot and a rail which overlays the fasteners to removably secure the gas key to the bolt carrier and holds gas key resisting unintended separation of the gas key from the bolt carrier. Also the invention includes a method for securing a gas key to a bolt carrier in such a fire arm. | 03-06-2014 |
20140076145 | WEAPON SYSTEM WITH SHORT RECOIL IMPULSE AVERAGING OPERATING GROUP - A weapon system includes a receiver and an operating group with a barrel extension arranged to axially translate relative to the receiver. In the firing condition, the op-rod assembly and bolt assembly are driven by the drive spring such that the round is guided into the chamber and the op-rod assembly and bolt assembly are locked to the barrel extension and a forward momentum of the op-rod assembly is imparted to the operating group and the round is fired. A portion of an impulse stops the forward momentum of the operating group. In the recoil condition, the operating group is driven rearward by the remaining portion of the impulse, the gas accelerator imparts additional rearward momentum to the op-rod assembly and bolt assembly and stops rearward momentum of the barrel and barrel extension, and the op-rod assembly and the bolt assembly are stopped by the drive spring. | 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 |
20140076147 | Tactical firearm having heat shielding properties and improved gas energized cartridge feeding - A tactical firearm having upper and lower receivers that are releasably connected. A cartridge gas energized bolt carrier assembly is moveable within the upper receiver and is provided with anti-tilt guidance with respect to a spring energized buffer mechanism, that is provided within a butt-stock of the lower receiver. The bolt carrier assembly moves a cartridge from a magazine and feeds the cartridge into the cartridge chamber of the barrel and returns the bolt carrier assembly to its closed and locked condition upon dissipation of the cartridge gas energizing force. The bolt carrier assembly is efficiently guided to prevent its misalignment during its rearward and forward auto-loading movement. | 03-20-2014 |
20140076148 | Tactical firearm having heat shielding properties and improved gas energized cartridge feeding - A tactical firearm has an upper receiver defining a handguard mounting surface oriented in substantially normal relation with the bore of a rifle barrel and defining handguard mounting flanges that project radially from the upper receiver. A handguard is provided with like radiating handguard mounting flanges and is releasably secured to the upper receiver by fasteners. A barrel extends through the handguard and is secured by a barrel retainer to the upper receiver in a manner achieving clearance and thermal isolation of the handguard from the barrel and barrel retainer. | 03-20-2014 |
20140260945 | GROOVED FIREARM CHAMBER - In various embodiments, a firearm assembly devices, systems and methods are provided. The firearm assembly can comprise a barrel and a chamber comprising a channel. The chamber may have a first length. The chamber may comprise an internal wall defining an internal cavity. The chamber can also couple to the barrel. The channel can be defined in the internal wall of the chamber. The channel may have a second length that is shorter than the first length. In various embodiments, the firearm assembly may be a component of a rotating bolt firearm. In various embodiments, internal cavity of the firearm assembly has a profile configured to receive a cartridge. The devices systems and methods described herein reduce common rotating bolt firearm failure modes by encouraging case ejection, compression, and/or contraction. | 09-18-2014 |
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 |
20140311332 | COMBINATION GAS OPERATED RIFLE AND SUBSONIC CARTRIDGE - A method of operating a gas operated automatic or semi-automatic weapon that has a bolt that locks by a partial rotation of the bolt with respect to a bolt carrier, the bolt carrier in communication with a gas port on the barrel of the weapon, the method comprising utilizing the gas pressure from a cartridge received from a port in the barrel to unlock the bolt, and utilizing the expansion of a telescoping cartridge in the chamber to recycle the weapon after the bolt is unlocked. In embodiments the cartridge is a 5.56 mm cartridge. In embodiments, the propellant driving the projectile does not provide enough gas pressure to recycle the weapon and the telescoping cartridge supplements the needed power for recycling sufficient to accomplish the recycling. The invention include the telescoping cartridge providing a projectile with lethal energy and recycle capability for gas operated rifles. The subsonic cartridge may have at least 80 ft lbs of energy and operates subsonically. | 10-23-2014 |
20150007711 | Firearm - A firearm having a gas piston system includes a bolt carrier, an adjustable gas piston block located forward on the firearm and an over-the-barrel spring and guide rod arrangement, all of which is housed and contained in a top rail that runs the length of the firearm and that maintains the alignment of these firearm components. The firearm further includes components that provide full auto firing capability. These components include a specially designed auto bracket that cooperates with a modified bolt carrier and a modified upper receiver. | 01-08-2015 |
20150090109 | Retrofit For Firearm Having Gas-Operated Reloading System - A retrofit apparatus is disclosed for a gas-operated reloading firearm having a pressure control unit to operate the firearm in either manual or semi-automatic operation. The pressure control unit is coupled to the reloading unit to reduce a gas flow to the reloading unit in a first configuration and allow the gas flow to the reloading unit in a second configuration. A controller is coupled to the pressure control unit to operate the firearm in the first or second configuration. The firearm operates in a first configuration requiring manual operation until it receives continuous manual actuation to enable the reloading unit in a second configuration. | 04-02-2015 |
20150135942 | 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. | 05-21-2015 |
20150338178 | Bolt Carrier System - A semi-automatic or automatic rifle comprising a barrel attached to and upper receiver and including a compressible bolt carrier extension system. The compressible bolt carrier extension system includes a bolt carrier, an extension spring, two pins, and a reciprocation bolt carrier extension piece. As a whole, the compressible bolt carrier extension system makes possible the use of elongated upper and lower receivers to be used for chambering long-action or other center fire cartridges for use with AR rifles such as the M-16, and M4 etc., eliminating the need for any buffer or buffer tubes other than those commercially available. A further advantage of the compressible bolt carrier extension system is the reduction of felt recoil as the system fully loads during the recoil stroke as it pushes against the buffer absorbing additional recoil energy. The system can be incorporated into firearms using a variety of cartridges. | 11-26-2015 |
20160033219 | Firearm System and Methods of Assembly and Disassembly - A firearm is described herein. The firearm comprises a receiver assembly adapted to receive a cartridge, a bolt assembly including a firing device operable to fire the cartridge, a barrel adapted to receive the projectile after the cartridge is fired, and a gas assembly including a gas tube. The receiver assembly includes an upper receiver portion, a lower receiver portion, and an upper receiver cover. The upper receiver portion defines a longitudinal axis, and an indexing slot operable to receive the gas tube. The upper receiver portion includes at least one integrated exterior track extending generally parallel to the longitudinal axis adapted to slidably couple with the upper receiver cover and a plurality of interior tracks extending generally parallel to the longitudinal axis adapted to slidably couple with the bolt assembly. The upper and lower receiver portions are pivotally connected to one another. | 02-04-2016 |
20160047612 | FIREARM SYSTEMS AND METHODS - A firearm can have a bolt having a plurality of locking lugs that are configured to have a shear area that is larger than that of a standard M16/M4. A bolt carrier can have a bolt that has a double cut cam having an unlocking cam surface that has sufficient dwell increase to delay a start of unlocking when the bolt carrier is used in an M4 carbine. A stepped extractor pin may be provided that prevents disengagement of the extractor pin. A tube can be configured to provide gas from a barrel of the firearm to the piston via the carrier key. The tube can have a heat radiator formed from triangular shaped threads on at least a portion of the tube. A piston on the bolt and can have a plurality of rings including pairs of mating rings that are formed and maintained as a matched pair. | 02-18-2016 |
20160047614 | Firearm Having Gas Piston System - A firearm having a gas piston system includes a bolt carrier, an adjustable gas piston block located forward on the firearm and an over-the-barrel spring and guide rod arrangement, all of which is housed and contained in a top rail that runs the length of the firearm and that maintains the alignment of these firearm components. The firearm also includes an ambidextrous, non-reciprocating charging handle located forward on the firearm and positioned within the top rail for charging the firearm. | 02-18-2016 |
20160084596 | 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. | 03-24-2016 |
20160187084 | FIREARM HAVING A HYBRID INDIRECT GAS OPERATING SYSTEM - An automatic or semi-automatic rifle. The rifle has a receiver and a bolt having a striking surface, the bolt enclosed within the receiver. A barrel has a bore, the barrel coupled to the receiver. An indirect gas operating system has a cylinder and a piston, the indirect gas operating system mounted with a mounting structure substantially independent of the barrel. The cylinder is in communication with the bore, and the piston is fitted to the cylinder and disposed for striking the striking surface and displacing the bolt assembly. | 06-30-2016 |
20160195360 | Rifle | 07-07-2016 |
20160252315 | BOLT CARRIER SYSTEM | 09-01-2016 |
20160252322 | FIREARM BUFFER SYSTEM AND BUTTSTOCK ASSEMBLY | 09-01-2016 |