ClassID:

162765

F41A21/484 - CPC Classification

Classification description:

Barrels; Gun tubes; Muzzle attachments; Barrel mounting means; Barrel mounting means, e.g. releasable mountings for replaceable barrels using interlocking means, e.g. by sliding pins

Recent Application in this class:
#1
20260029209
2026-01-29

QUICK TAKE-DOWN FIREARM

#2
20250277644
2025-09-04

ASSEMBLY OF A RECEIVER WITH A BARREL

#3
20250251211
2025-08-07

QUICK TAKE-DOWN FIREARM

#4
20250251210
2025-08-07

QUICK TAKE-DOWN FIREARM

#5
20250224192
2025-07-10

QUICK TAKE-DOWN FIREARM

#6
20250224191
2025-07-10

QUICK TAKE-DOWN FIREARM

#7
20250044052
2025-02-06

TAKEDOWN FIREARM

#8
20240418470
2024-12-19

BARREL ATTACHMENT SYSTEM FOR RIFLE

#9
20240337458
2024-10-10

BARREL ATTACHMENT SYSTEM FOR RIFLE

#10
20230020437
2023-01-19

Handguard for clamping mounting on an existing firearm

#11
20220341696
2022-10-27

Firearm with barrel clamp

#12
20220341695
2022-10-27

Barrel unit for a firearm

#13
20220236029
2022-07-28

Quick-change barrel for a firearm

#14
20220082344
2022-03-17

Apparatus for improving the performance of firearms

#15
20210180903
2021-06-17

Adapter for mounting an accessory on a firearm

#16
20210164750
2021-06-03

Firearm with improved barrel connection

#17
20210102773
2021-04-08

Electronic firing rifle assembly

#18
20210071981
2021-03-11

QUICK TAKE-DOWN FIREARM

#19
20200326157
2020-10-15

Mounting mechanism

#20
20190226789
2019-07-25

Quad lock multicaliber rifle receiver with locking barrel

#21
20190154389
2019-05-23

Quick take-down firearm

#22
20190003796
2019-01-03

REMOVABLE BARREL AND HAND GUARD FOR MODULAR RIFLES

#23
20180172384
2018-06-21

Quick Take-Down Firearm

#24
20180080733
2018-03-22

Quad lock multicaliber rifle receiver with locking barrel

#25
20180017346
2018-01-18

Take-down compact precision rifle

#26
20170363378
2017-12-21

Quick take-down firearm

#27
20170328665
2017-11-16

Systems and methods for attaching a secondary firearm to a primary firearm

#28
20170284760
2017-10-05

Quick take-down firearm

#29
20170227313
2017-08-10

Pistol

#30
20170191784
2017-07-06

Practice weapon

#31
20170184368
2017-06-29

Gun device allowing replacement of barrels with different sizes

#32
20170115081
2017-04-27

Gas apparatus and methods for gas operated firearms

#33
20170016689
2017-01-19

Compact survival firearm

#34
20160363406
2016-12-15

Integrated Barrel Assembly for Firearm

#35
20160258702
2016-09-08

BARREL LOCKING MECHANISM FOR A BREAK-OPEN-ACTION FIREARM

#36
20160209155
2016-07-21

Interchangeable chamber and barrel system

#37
20160033225
2016-02-04

Removable barrel and hand guard for modular rifles

#38
20150247696
2015-09-03

Quick release barrel attaching and detaching mechanism

#39
20150198403
2015-07-16

Rapid disassembling shotgun

#40
20140245878
2014-09-04

Systems and methods for disrupter recovery

#41
20140165444
2014-06-19

Firearm with barrel cinching clamp

#42
20140076133
2014-03-20

Explosive device disruptor system with self contained launcher cartridges

#43
20130291420
2013-11-07

Firearm and firearm system

#44
20130269510
2013-10-17

Gas regulator system

#45
20130047833
2013-02-28

Short recoil impulse averaging weapon system

#46
20120216439
2012-08-30

Firearm with quick coupling barrel interlock system

#47
20120180354
2012-07-19

Quick barrel change firearm

#48
20120124880
2012-05-24

Firearm hand guard

#49
20110265639
2011-11-03

Firearm

#50
20110094136
2011-04-28

Rifle upper receiver with integral magazine well

#51
20100281742
2010-11-11

Takedown rifle

#52
20100263527
2010-10-21

Firearm

#53
20100170130
2010-07-08

Conversion kit and method for a RUGER® 10/22® semi-automatic .22 caliber rim fire gun to shoot .17 mach 2 cartridges

#54
20100005956
2010-01-14

Methods and apparatus for use in a locked machine gun

#55
20090320346
2009-12-31

Safety apparatus for weapons

#56
20080190005
2008-08-14

Housing for a rifle

#57
20080134557
2008-06-12

Machine guns having detachable barrels and methods of operating the same

#58
20080066361
2008-03-20

System for fastening the barrel of a rifle having a replaceable barrel

#59
20070277669
2007-12-06

Conversion kit and method for a ruger 10/22 semi-automatic .22 caliber rim fire rifle to shoot .17 mach 2 cartridges

#60
20070028500
2007-02-08

Machine guns having detachable barrels and methods operating the same

#61
20060277810
2006-12-14

Modular receiver system

#62
20060032103
2006-02-16

Machine guns having detachable barrels and methods of operating the same

#63
16246466
2020-08-25

Locking block and slide for firearm

#64
16104641
2020-03-31

Firearm quick release pin with arm extension

#65
14468640
2015-02-24

Firearm barrel-modification system