ClassID:

162743

F41A21/12 - CPC Classification

Classification description:

Barrels; Gun tubes; Muzzle attachments; Barrel mounting means Cartridge chambers; Chamber liners

Sub-classes:
Recent Application in this class:
#1
20260118075
2026-04-30

SYSTEM FOR A MULTI-CALIBER SELF-LOADING ACTION ASSEMBLY

#2
20250093138
2025-03-20

REVERSE-SABOTED SIDEARM SYSTEMS, AND RELATED SIDEARMS, AMMUNITION, AND METHODS

#3
20240426584
2024-12-26

CARTRIDGE OF A FIREARM, CARTRIDGE CHAMBER, COMBINATION CONSISTING OF A LOCK AND CARTRIDGE CHAMBER OF SUCH A CARTRIDGE, AND FIREARM

#4
20240353194
2024-10-24

Enhanced metal-metal-matrix composite weapon barrels

#5
20240255247
2024-08-01

Barrel Throat Insert

#6
20240240887
2024-07-18

SMALL FIREARMS AND METHOD OF OPERATING SMALL FIREARMS

#7
20240102776
2024-03-28

Lockable ammunition

#8
20240077264
2024-03-07

System for a multi-caliber self-loading action assembly

#9
20240060737
2024-02-22

Rifles and muzzle loading rifles receiving propellant charge with an extended primer cap in a bolt action configuration, and method of loading

#10
20230147902
2023-05-11

FIREARM BARREL REAMER HAVING A CARTRIDGE CHAMBER

#11
20230143951
2023-05-11

FIREARM BARREL HAVING A CARTRIDGE CHAMBER

#12
20230112727
2023-04-13

Rifles and muzzle loading rifles receiving propellant charge with an extended primer cap in a bolt action configuration, and method of loading

#13
20220364816
2022-11-17

Barrel mechanisms for firearm training

#14
20220333889
2022-10-20

Barrel for a firearm with locking space, and production process

#15
20220325967
2022-10-13

Bolt head for a firearm

#16
20220316836
2022-10-06

Interchangeable modular chamber system for a firearm

#17
20220307782
2022-09-29

System for a multi-caliber self-loading action assembly

#18
20220252369
2022-08-11

Firearm barrel feeding geometry

#19
20220236028
2022-07-28

Devices and methods for extraction of high pressure cartridge casings

#20
20220196355
2022-06-23

BARREL WITH RECESS ON BARREL FACE OF BREECH END

#21
20220099400
2022-03-31

Barrel and exchange system for a handgun, method for operating a handgun, and carrier sleeve for a barrel and/or exchange system for a handgun

#22
20220065578
2022-03-03

Firearm with a cartridge

#23
20220057159
2022-02-24

Pressure discriminating cartridge chamber

#24
20210372727
2021-12-02

Multi Bore Barrel for Pistol

#25
20210310777
2021-10-07

CARTRIDGE CHAMBER AND CARTRIDGE CASE

#26
20210254914
2021-08-19

RIFLE FRAME OF A BREAK-OPEN ACTION RIFLE HAVING A RECESS FOR RECEIVING AN EXTENDED PORTION OF A PRIMER CAP-PROPELLANT CHARGE ASSEMBLY

#27
20210164744
2021-06-03

Rifles and muzzle loading rifles receiving propellant charges in break open and bolt action configurations, and barrel extensions therefor

#28
20210140734
2021-05-13

Automatic action assembly of a firearm

#29
20210095934
2021-04-01

SUPPRESSIBLE AND UNIVERSAL HANDGUN BARREL

#30
20210055068
2021-02-25

Rifles and muzzle loading rifles receiving propellant charges in break open and bolt action configurations, and barrel extensions therefor

#31
20210048264
2021-02-18

Devices and methods for extraction of high pressure cartridge casings

#32
20200408477
2020-12-31

Enhanced metal-metal-matrix composite weapon barrels

#33
20200348100
2020-11-05

Barrel mechanisms for firearm training

#34
20200348093
2020-11-05

Cased telescoped ammunition firearm with dual feed

#35
20200284546
2020-09-10

Pellet ejection mechanism for firearm training

#36
20200263946
2020-08-20

Assembly for Stabilizing Firearm Cartridge when Cartridge is in Firearm Chamber

#37
20200245630
2020-08-06

Device for use in the humane slaughter of animals

#38
20190226789
2019-07-25

Quad lock multicaliber rifle receiver with locking barrel

#39
20190120585
2019-04-25

Combat vehicle having a weapon system

#40
20190101349
2019-04-04

Firearm cartridge conversion sleeve

#41
20190072346
2019-03-07

Direct acting barrel recoil spring

#42
20190049206
2019-02-14

Cartridge extraction for a cased telescoped ammunition firearm

#43
20190049201
2019-02-14

Cased telescoped ammunition firearm with translating chamber

#44
20190049199
2019-02-14

Cased telescoped ammunition firearm with headspace reduction

#45
20190033023
2019-01-31

Magazine for cased telescoped ammunition cartridges with side-walls having cartridge orientation ribs

#46
20190017764
2019-01-17

Collet chamber for weapons

#47
20180328688
2018-11-15

Triggering mechanism for hybrid primer cartridges

#48
20180283821
2018-10-04

Interchangeable chamber and barrel system

#49
20180080733
2018-03-22

Quad lock multicaliber rifle receiver with locking barrel

#50
20170307316
2017-10-26

Direct acting barrel recoil spring

#51
20170115083
2017-04-27

Interchangeable Chamber and Barrel System

#52
20170082392
2017-03-23

Open ignition breech plug and conversion system and method for muzzle-loading firearm

#53
20160209155
2016-07-21

Interchangeable chamber and barrel system

#54
20160084604
2016-03-24

Dummy cylinder for a revolver

#55
20160069631
2016-03-10

Live-round prevention with built-in blank firing adapter

#56
20160033226
2016-02-04

Barrel extension for firearm

#57
20160030989
2016-02-04

Method for producing a gun barrel with integrally adjoining housing

#58
20150247694
2015-09-03

Firearm barrel assembly with ported chamber

#59
20150241157
2015-08-27

Stacked projectile launcher and associated methods

#60
20150101231
2015-04-16

Live-round prevention with built-in blank firing adapter

#61
20150033934
2015-02-05

Blank chamber and housing

#62
20150013202
2015-01-15

Open ignition breech plug and conversion system and method for muzzle-loading firearm

#63
20140283673
2014-09-25

Firearms for firing shotshell type ammunition

#64
20140260945
2014-09-18

GROOVED FIREARM CHAMBER

#65
20140075805
2014-03-20

Firearm barrel having cartridge chamber preparation facilitating efficient cartridge case extraction and protection against premature bolt failure

#66
20140020276
2014-01-23

Firearm

#67
20130340314
2013-12-26

Methods of manufacturing firearms and firearms components comprising bonded multi-metallic materials

#68
20130118049
2013-05-16

Unitary barrel, chamber and action for a firearm

#69
20130047831
2013-02-28

Shotshell type ammunition, firearms for firing such shotshell type ammunition, and methods of manufacturing such shotshell type ammunition

#70
20120272941
2012-11-01

Ballistic adjustment device for toy gun

#71
20120118132
2012-05-17

High attrition, rapid dispersal X 8 (H.A.R.D. 8) extreme rate of fire weapon system

#72
20120117846
2012-05-17

Firearm throat and rifling method

#73
20120017481
2012-01-26

Firearms and firearm components comprising bonded multi-metallic materials; methods of manufacture

#74
20120005931
2012-01-12

CHAMBER ADAPTOR INCORPORATED INTO A MODIFIED ACTION ASSEMBLY FOR PERMITTING SUBSTITUTION OF A FIRST MANUFACTURER SPECIFIED CARTRIDGE FOR A SECOND SUBSTITUTE CARTRIDGE

#75
20110314718
2011-12-29

Firearms and firearm components comprising bonded multi-metallic materials

#76
20110293955
2011-12-01

Methods of forming boron nitride

#77
20110290102
2011-12-01

Stacked projectile launcher and associate methods

#78
20110252957
2011-10-20

Modified bolt assembly with forward assist adaptor for accomodating sub caliber ammunition utilized in an AR-15 type firearm

#79
20110203151
2011-08-25

Firearms for launching electrified projectiles

#80
20110010976
2011-01-20

Manufacturing process of a unitary barrel, chamber and action for a firearm

#81
20110000118
2011-01-06

Muzzleloader firearm system

#82
20110000117
2011-01-06

Multi-shot firearm using separate chamber tubes

#83
20100282113
2010-11-11

Conditional activation of a cartridge

#84
20100281740
2010-11-11

Conditional activation of a cartridge

#85
20100275894
2010-11-04

Anti-chop eyes for a paintball marker

#86
20100223831
2010-09-09

Firearm

#87
20100192445
2010-08-05

GUN BARREL FOR FIRING SPIN-STABILIZED PROJECTILES

#88
20100154764
2010-06-24

Barrel for prohibiting paintball from dropping therefrom

#89
20100031550
2010-02-11

Barrel holder for a drop-down barrel weapon

#90
20080282596
2008-11-20

MUZZLE-LOADING FIREARM AND EASILY REMOVABLE BREECH PLUG FOR USE THEREWITH

#91
20080276795
2008-11-13

Cartridge chamber

#92
20080104873
2008-05-08

Simulated firearm

#93
20080078370
2008-04-03

Anti-chop eyes for a paintball marker

#94
20070028499
2007-02-08

Muzzle-loading firearm and easily removable breech plug for use therewith

#95
20060260461
2006-11-23

Firearm apparatus and method

#96
20060174531
2006-08-10

Method and apparatus for reading firearm microstamping

#97
20060090387
2006-05-04

Repeating weapon

#98
20060026880
2006-02-09

Method and apparatus for reading firearm microstamping

#99
20050241203
2005-11-03

Method and apparatus for cartridge identification imprinting in difficult contexts by recess protected indicia

#100
20050223612
2005-10-13

Type pistol

#101
20050193615
2005-09-08

Combustion chamber for a muzzleloading firearm

#102
20050188590
2005-09-01

Breech construction for firearms

#103
20050188576
2005-09-01

Method and apparatus for reading firearm microstamping

#104
17937032
2026-01-06

Load balanced firearm barrel extension

#105
16127441
2019-03-26

Crush inducing cartridge chamber