Abstract: An improved magazine and method of its manufacture particularly designed for a specific gun/magazine system. The invention also pertains to the plastic molding arts in general. A magazine is provided having numerous features and advantages including means to permit assembly and disassembly using no tools or screw threaded fasteners or rivets or the like, viewing windows, and based upon symmetrical clam shell type halves having internal features necessary for proper functioning of the magazine.

Abstract: The disclosure relates to firearms, especially recoil or gas operated firearms, having a receiver for cartridges, and having a magazine for containing a plurality of cartridges. The magazine can be disposed above and substantially parallel with respect to the barrel. The magazine includes a housing with a helically disposed member providing a helical passageway for the cartridges. The cartridges are supported on a cartridge carrier located in the housing, which can be rotated by a torque spring. The cartridges are unloaded from the magazine by a feed lip insert providing communication with the receiver of the firearm.