To function the gun, you turn a crank, which revolves the barrels Within the cylinder. Each and every barrel passes beneath an ammunition hopper, or carousel magazine, because it reaches the very best on the cylinder. A different cartridge falls in to the breech along with the barrel is loaded. https://machguns.com/product/lot-1460-military-armament-corporation-m10a1-smg-silencer-class-iii-nfa/