This cycle repeats as long as the gunner retains down the “V”-shaped trigger Positioned amongst The 2 handgrips on the rear with the gun. Release the trigger as well as a latch secures the mechanism from the “open bolt” situation, able to hearth once again. The pin hits the cartridge, https://machguns.com/product/american-180-tuned-by-val-cooper-excellent-w-extras-b01787/