Patent Number: 6,305,291

Title: Shotgun cartridge case-sleeve and a cartridge made therefrom

Abstract: Shotgun cartridge cases are disclosed which are produced from a unitarybody of plastic material. The shotgun cartridge cases include acylindrical wall with a based portion which includes a central openingadapted to receive a primer, and a number of grooves extending axiallyfrom the end plane of the cartridge case and defining displaceable regionsof the base portion whereby these displaceable regions are axiallydisplaceable by means of powder charge gases released by the cartridge.Shotgun cartridges are also disclosed.

Inventors: Karlsson; Roland (Bor.ang.s, SE), Johansson; Konny (Bramhult, SE)

Assignee:

International Classification:

Expiration Date: 10/23/2013