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Browse by Category: Main > Firearms & Weapons
Class Information
Number: 42/49.02
Name: Firearms > Breech loading > Magazines > Adapters or capacity reducers
Description: Devices including structure which provides for the feeding and firing of difference size caliber rounds within the firearm.










Patents under this class:
1 2

Patent Number Title Of Patent Date Issued
8689475 Firearms magazine for rifle length cartridges Apr. 8, 2014
8671606 Ammunition magazine Mar. 18, 2014
8646200 Ammunition magazine with an improved magazine base locking Feb. 11, 2014
8607489 Stackable ammunition magazine Dec. 17, 2013
8572875 Bolt-hold open apparatus Nov. 5, 2013
8485083 Single-feed magazine adapter for firearms Jul. 16, 2013
8356439 Lightweight, low cost semi-automatic rifle magazine Jan. 22, 2013
8322063 Firearms magazine for rifle length cartridges Dec. 4, 2012
8191298 Magazine quick-release blocking apparatus and method Jun. 5, 2012
8127480 Magazine well extension for a firearm Mar. 6, 2012
8028455 Firearms magazine for rifle length cartridges Oct. 4, 2011
7963061 Magazine plug Jun. 21, 2011
7950179 Attachable handgun storage accessory May. 31, 2011
7823312 Magazine well extension Nov. 2, 2010
7753679 Non-firing training rifle Jul. 13, 2010
7743542 Magazine entrance guide Jun. 29, 2010
7735252 Firearm magazine and adapter therefor Jun. 15, 2010
7694620 Machine gun magazine support Apr. 13, 2010
7509767 Base pad for firearm magazine Mar. 31, 2009
7444775 Caliber convertible AR-15 upper receiver system Nov. 4, 2008
7237354 Gun magazine with two-stage spring Jul. 3, 2007
6739082 Firearm with fixed cartridge magazine top May. 25, 2004
6715396 Firearm conversion kit Apr. 6, 2004
6536152 Storage compartment forming insert for a firearm grip Mar. 25, 2003
6367188 Firearm with detachable magazine Apr. 9, 2002
6070352 Firearm magazine cartridge converter Jun. 6, 2000
5845426 Ten round magazine with fifteen round profile Dec. 8, 1998
5704148 Ten round magazine with fifteen round profile Jan. 6, 1998
5666752 Hand gun magazine extension assembly Sep. 16, 1997
5651204 Ornamental magazine base Jul. 29, 1997
5568696 Reduced capacity magazine for repeater firearm Oct. 29, 1996
5566488 Pistol grip magazine adaptor Oct. 22, 1996
5555661 Pistol grip magazine adaptor Sep. 17, 1996
5520019 Gas-operated rifle system May. 28, 1996
5461811 Gun magazine apparatus and method Oct. 31, 1995
5416998 Adapter for rifle magazine May. 23, 1995
5056252 Firearm magazine Oct. 15, 1991
4907362 Sub-caliber firearm Mar. 13, 1990
4777752 Blank magazine Oct. 18, 1988
4707941 Bulk cartridge magazine for firearms and process for loading Nov. 24, 1987
4619062 Safety device for firearms using removable magazines Oct. 28, 1986
4602449 Combination screw-in choke holder and plug device Jul. 29, 1986
4515064 Weapon rim-fire conversion unit II May. 7, 1985
4447976 Cartridge magazine mount May. 15, 1984
4297800 Cartridge magazine for firearms Nov. 3, 1981
4220071 Conversion kit for semi-automatic carbines Sep. 2, 1980
4194314 Ejector assembly for a firearm adapter Mar. 25, 1980
4169329 Weapon conversion apparatus Oct. 2, 1979
4139958 Magazine adapter assembly for firearms Feb. 20, 1979
4098016 Automatic and semiautomatic small caliber conversion system Jul. 4, 1978

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