162499 ⎘
Mechanisms or systems operated by propellant charge energy for automatically opening the lock gas-operated Arrangements or systems for bleeding the gas from the barrel
Sub-classes:INTEGRALLY SUPPRESSED BARREL SYSTEM FOR VELOCITY REDUCTION OF LOADS
#2FIREARM, BOLT CATCH, AND LOWER RECEIVER
#3BARREL NUT ASSEMBLY AND METHOD TO ATTACH A BARREL TO A FIREARM USING SUCH ASSEMBLY
#4AR Platform Firearm
#5DIGITAL RECORDING OF FIREARM IDENTIFICATION
#6Recoilless Gas Block System
#7FIREARM SYSTEM WITH GAS-PISTON SYSTEM
#8INTEGRALLY SUPPRESSED BARREL SYSTEM FOR VELOCITY REDUCTION OF LOADS
#9BOLT CARRIER WITH GAS EXHAUST POCKET
#10GAS BLOCK FOR A FIREARM
#11Firearm barrel having at least one barrel gas port and method of manufacturing the same
#12Gas block for a firearm
#13Methods and apparatus for gas piston
#14Firearm assemblies with multiple gas ports
#15GAS TUBE SUPPORTS FOR POST BARREL PLENUM OPERATED GAS CYCLING SYSTEM FOR AUTOMATIC FIREARMS
#16Firearm barrel having at least one barrel gas port and method of manufacturing the same
#17Firearm, bolt catch, and lower receiver
#18Barrel nut assembly and method to attach a barrel to a firearm using such assembly
#19FIREARM BARRELL WITH NON-METAL OUTER SLEEVE
#20Firearm, bolt catch, and lower receiver
#21Digital recording of firearm identification
#22Firearm, bolt catch, and lower receiver
#23Firearm with combined bolt catch and ejector
#24System for a delayed-opposed-piston gas action assembly
#25Gas block for a firearm
#26Semi-automatic rifle
#27Firearm with gas piston assembly
#28Firearm assemblies with multiple gas ports
#29Firearm assemblies with multiple gas ports
#30Rifle with hybrid receiver, modified trunnion, gas block and ambidextrous bolt stop
#31Blowback action with gas assist
#32Open-breach firearm action with metallic insert
#33INTEGRATED UPPER RECEIVER AND INTEGRATED LOWER RECEIVER FOR THE AR10 AND AR15 PLATFORMS
#34Barrel nut assembly and method to attach a barrel to a firearm using such assembly
#35Mechanism structure for firearms
#36INTEGRATED UPPER RECEIVER AND INTEGRATED LOWER RECEIVER FOR THE AR10 AND AR15 PLATFORMS
#37MACHINE GUN
#38Advanced gas piston system
#39Hybrid gas-piston rifle and barrel nut
#40Hybrid gas-piston rifle and barrel nut
#41Gas tube supports for post barrel plenum operated gas cycling system for automatic firearms
#42Bolt carrier system
#43Firearm systems and methods
#44Firearm system and methods of assembly and disassembly
#45Bolt carrier system
#46Gas operating system for an automatic firearm
#47Advanced gas piston system
#48Method and tool for alignment of a gas block and rifle barrel
#49Side-charging upper for AR style firearm
#50Firearm and components therefor
#51Gas block alignment fixture
#52Quick release gas block securing system
#53Post barrel plenum operated gas cycling system for automatic firearms
#54Semi-automatic air rile with pneumatic system
#55Firearm with laterally folding forearm and barrel, and related methods
#56System for improved weapon system barrel
#57REMOVABLE BARREL AND HAND GUARD FOR MODULAR RIFLES
#58Direct gas impingement system
#59Firearm gas redirection assembly
#60Semi-automatic rifle restrictor mechanism
#61Automatic firearm gas feed apparatus
#62Firearm with laterally folding forearm and barrel, and related methods
#63Suppressor assembly
#64FIREARM SYSTEM WITH FIRE MODE SELECTOR SWITCH
#65Quick Take-Down Firearm
#66Means for converting semi-automatic firearm to pump-action rifle
#67Firearm accessory mount
#68Firearm accessory mount
#69Free float handguard for firearm
#70Folding firearm and related methods
#71APPARATUS AND METHOD OF REMOVING A GAS BLOCK WITHOUT REMOVING ATTACHED MUZZLE DEVICE
#72Non-segmented composite barrel for gas operated firearms
#73Ambidextrous charging handle
#74Two Piece Interlocking Gas Block
#75SUPPRESSOR ASSEMBLY FOR A FIREARM
#76Handguard and barrel assembly with sound suppressor for a firearm
#77Quick take-down firearm
#78Regulator for a firearm auto loader
#79Semi-automatic rifle and retrofit kit for a semi-automatic rifle
#80Gas operating system for an automatic pistol-caliber firearm
#81Expansion barrel nut systems and methods for attaching a handguard to an upper receiver of a firearm
#82GAS BLOCK FOR FIREARM
#83GAS BLOCK FOR FIREARM
#84GAS BLOCK FOR FIREARM
#85Firearm with a hammer mechanism
#86Gas apparatus and methods for gas operated firearms
#87Barrel nut assembly and method to attach a barrel to a firearm using such assembly
#88Gas-operated firearm with pressure compensating gas piston
#89Firearm systems and methods
#90Firing block assembly
#91Firearm training apparatus and method
#92Reduced length belt-fed firearm
#93Firearm Impingement Block Having Spring Valve Gas Relief
#94Firearm Gas System
#95Semi-automatic rifle
#96Bolt carrier system
#97OPERATING SYSTEM FOR RELOADING FIREARMS COMBINING A GAS PISTON SYSTEM AND AN EXTERNAL MANUALLY ACTUATED MECHANICAL LINKAGE
#98Method and mechanism for automatic regulation of gas flow when mounting a suppressor to a firearm
#99Barrel with integrated gas channel
#100Regulator for a firearm auto loader
#101Gas block balancing piston for auto-loading firearm
#102Automatic or semi-automatic rifle
#103Bolt carrier
#104Gas-operated firearm with pressure compensating gas piston
#105Firearm having gas piston system
#106Firearm systems and methods
#107Gas-operated firearm
#108Gas operating system for small arms with spring loaded gas valve
#109WEAPONS SYSTEM MODIFICATION FOR IMPROVED PISTON SYSTEM
#110Gas systems for firearms
#111Self regulating gas system for suppressed weapons
#112Firearm, in particular handgun, and method of producing a firearm
#113Integrated slide-carrier and firing block assembly
#114Systems for firearms
#115Systems for firearms
#116Gas flow volume control apparatus
#117Quick release barrel attaching and detaching mechanism
#118Muzzle Device for Firearm Having a Gas Operating System
#119Retrofit for firearm having gas-operated reloading system
#120Firearm having gas piston system
#121Cartridge gas actuated firearm having bolt carrier/gas key seal
#122Gas flow system for a long-barrel firearm
#123Firearm having an indirect gas impingement system
#124Suppressor assembly for a firearm
#125Gas-operated firearm with pressure compensating gas piston
#126Firearm operating system
#127Firearm with gas operating system
#128Gas piston system for M16/AR15 rifle or M4 carbine systems
#129Weapon system with short recoil impulse averaging operating group
#130Gas operating systems, subsystems, components and processes
#131Compressible bolt carrier extension system
#132Combined direct drive gas piston system, and frontal, ambidextrous, non reciprocating, charging system for autoloading rifle
#133Firearm having a new gas operating system
#134Gas regulator system
#135FIREARM HAVING AN INDIRECT GAS IMPINGEMENT SYSTEM
#136Short recoil impulse averaging weapon system
#137Firearm with gas operating system
#138Weapons system construction and modification including improved gas management system
#139Pressure-regulating gas block
#140Sports or Defence Rifle With Container Pipe for Cartridges
#141Firearm including improved hand guard
#142Gas operating system for a firearm
#143HANDGUARD SYSTEM WITH INTEGRAL GAS TUBE FOR GAS OPERATED FIREARMS
#144Firearm
#145Quick barrel change firearm
#146Firearm having a direct gas impingement operating system
#147Firearm having a new gas operating system
#148Automatic or semi-automatic rifle
#149Firearm including improved hand guard
#150Firearm with gas operating system
#151Firearm having gas piston system
#152Gas operating systems, subsystems, components and processes
#153Anti-wear buffer device for bolt carrier assembly
#154Firearm having a debris shield for use with a direct gas impingement system
#155Automatic pistol
#156Gas plug retention and removal device
#157Law enforcement carbine with one piece receiver
#158Compact gas block with rail interface
#159Gas system for firearms
#160Gas system for firearms
#161Clamped gas block for barrel
#162Gas operated firearm action delay device
#163Direct drive retrofit for rifles
#164Firearm having an improved firing pin locking mechanism
#165Gas pressure mechanism in gas-operated firearm
#166Firearm having an indirect gas impingement system
#167Firearm having a debris shield
#168FIELD ADJUSTABLE GAS BLEED ASSEMBLIES FOR USE WITH FIREARMS
#169Direct drive retrofit for rifles
#170Gas cylinder components for use with firearms
#171Law enforcement carbine with one piece receiver
#172Automatic or semi-automatic rifle
#173Clamp on gas block apparatus
#174Gas-operated guns with demountable and interchangeable barrel sections and improved actuation cylinder construction
#175Firearm receiver system with belt-feed capability
#176Loading device for a semi-automatic rifle
#177Firearm bolt catch assembly
#178Firearm receiver systems offering a fixed-barrel arrangement and pressure relief capability
#179Pinned tab gas block
#180Gas management for firearms
#181Firearm cam pin and methods of use thereof
#182Over barrel muzzle device attachment system
#183Adjustable firearm gas block
#184Firearm, bolt catch, and lower receiver
#185Gas block assembly
#186Systems and components for improving firearm operation, as well as defensive systems and target acquisition
#187Firearm system
#188Process of making a gas operated firearm barrel
#189Mating bolt carrier and barrel extension
#190Systems and components for improving firearm operation, as well as defensive systems and target acquisition
#191Gas system with multi-ported barrel
#192Bolt carrier gas impingement system
#193Firearm impingement system having adjustable gas block
#194Adjustable gas block
#195Gas block for firearms
#196Sleeve piston for actuating a firearm bolt carrier