Drum magazine for firearm

摘要: A detachable magazine for storing and delivering ammunition to a firearm having well. The has body with column adapted insertion into the passage transmitting firearm. includes drum housing defining substantially cylindrical chamber communicating passage. first sprocket element is rotatably received in serrated periphery, each serration receive an cartridge. second chamber, concentric element, periphery spring connected at least one of elements, operates bias elements transmit cartridges from may have pair drums, sprockets be tapered, facilitate feeding tapered cartridges. include counter indicate quantity consumed or remaining. ability power de-power motor.