Importance

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Abstract

Drum magazines have a body defining an interior and having a rear wall, a rotor rotatably mounted within the interior of the body, the rotor having a periphery defining a plurality of cartridge-receiving spaces, the rotor positioned to define a rim path proximate the rear wall, such that rims of cartridges received by the rotor periphery are proximate the rear wall, and a first rim-engagement element within the interior of the body and proximate the rim path, such that the rims of cartridges passing by the first element are contacted to axially shift each cartridge with respect to a subsequent cartridge. The first rim-engagement element may be a raised protrusion on the body. The rims of cartridges passing by the first rim-engagement element may be contacted to actually shift each cartridge rearward with respect to a subsequent cartridge.

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First Claim