Patent ID: 8689475
Filing Date: 2014-04-08
Classification: F41A

Abstract:
1. A firearms magazine comprising: a housing having opposite side walls defining an interior space sufficient to retain a plurality of firearms cartridges and feed the cartridges into a firearm; a removable insert between the housing opposite side walls, the insert having opposed interior walls for retaining and feeding the cartridges and integral ribs extending inwardly from the interior walls corresponding to shoulders of the cartridges to position the cartridges as they are fed, the removable insert further having a back wall corresponding to the base of the cartridges having an upwardly extending guard portion corresponding to and covering a majority of a primer in the base of an uppermost cartridge extending from the magazine; and between the opposite side walls of the housing, a plurality of firearms cartridges having a base, a nose and a shoulder between the base and the nose; wherein at least one of the insert ribs is in sliding contact with the shoulders of the firearms cartridges.