AirMaks Back Plug V2 Katran (C, CB, SC)

Back plug V2 for all KATRAN rifles. Includes: the new system for air release; the new brass bushing for the valve unit moving; the new valve unit. Back plug V2 for KATRAN, KATRAN B, KATRAN L (HP), KATRAN LB (HP), KATRAN X, KATRAN XB Back plug C V2 for KATRAN C, KATRAN CB, KATRAN SC