Crosman QR BB gun Magazine - Black - The Crosman QR Magazine cuts down on the time you spend reloading! This quick reload magazine has a 300 round reservoir and features an integrated speed loader mechanism that reloads in seconds. It is compatible with the Crosman, DPMS, and Bushmaster full-auto AR series. Reservoir Holds 300 Rounds Spring Feeds 25 BBs for Rapid-Fire Action Integrated Speed Loader Mechanism Reloads in Seconds Holds Two Powerlets CO₂ Cartridges Compatible with Crosman, DPMS and Bushmaster full-auto AR series