ACP pistol cartridge from an unrifled barrel. Special loading propelled its bullet at a standard from a revolver barrel. This acid would erode the inside of the gun barrel and the lock mechanism. It has a 20-inch stainless steel barrel and a stainless action. It could be fitted with a silencer using its threaded barrel. There it was used as part of the actual gun barrel and main title sequence. It uses a revolving cylinder with multiple chambers aligned with a single, stationary barrel. This allows a caliber change with replacement of just the barrel and magazine. It is long, with a .69 caliber barrel. It has a barrel and a telescoping stock. Simonov with fixed magazine and gas tube above the barrel. These striations are due to the rifling inside the barrel of handguns. The nipple contains a tube which goes into the barrel. It was a very large wooden barrel. The Ak 5D has a shortened barrel and handguard.