Large caliber gun has sleeve which fits over rear end of barrel and breech block mounting, barrel having gas inlet in section inside sleeve connecting it to gas cylinder

摘要

The large caliber gun has a sleeve (104) which fits over the rear end of the barrel (101) and the mounting (105, 106) for the breech block (111, 113). The barrel has a gas inlet (173) in the section inside the sleeve which connects it to a gas cylinder (171).