All-plastic shotgun cartridge cases and method for the manufacture thereof.

摘要

® An all-plastic shotgun cartridge case is disclosed comprising a tubular casing (14) of biaxially oriented extruded polyethylene and a two part, moulded plastics head, comprising a first part or basewad (12) of polyethylene moulded onto the end of the tube and a second part (13) of chemically dissimilar hard plastics material, e.g. nylon, which provides the rim of the cartridge case moulded into mechanical interlocking engagement with interlocking channels moulded into the basewad.