BARREL FOR FIRE ARMS OF LIMITED LETHALITY Russian patent published in 2014 - IPC F41A21/16 F41C3/00 

FIELD: weapons and ammunition.

SUBSTANCE: barrel includes a cartridge chamber, a prechamber and a channel; the barrel consists of two parts connected to each other with a coaxially threaded connection. The cartridge chamber and the prechamber are located in the first part, and the barrel channel is located in the second part. In the section of the first part there are non-through annular grooves serving for restriction of use of unauthorised amunition.

EFFECT: preserving use efficiency of powder gas energy; restricting possibility of firing shots with metal shells.

3 dwg