US Patent 12104873 Cartridge magazine

A cartridge magazine includes a first wall, a second wall, a third wall, and a fourth wall. A first wall may include a recess disposed in a thickness of the first wall. The recess may extend from a top side of the cartridge magazine along at least a portion of the first wall of the cartridge magazine. In one embodiment, the first wall may be a front wall, where the recess is disposed within a thickness of the front wall of the magazine. The recess may extend from a top side of the cartridge magazine along at least a portion of the front wall of the cartridge magazine. The cartridge magazine may include a plurality of walls.