HK Army Tank Regulator Bonnet (Single O-Ring)This is a standard replacement bonnet for HK Army tanks. This is the top part of a 2 piece regulator that is found on the top of the HK Army tank...
Tank Valve O-Ring. Urethane. Industry standard - will fit all CO2 valves and HPA regulators.
Quantity: 1 Piece Tank Valve O-Ring. Urethane. Industry standard - will fit all CO2 valves and...
