Description
SS Airsoft Custom HPA Build Zion Arms PW9 Polarstar Jack Unity The use of Green Gas 77200032 The use of Green Gas is not recommended and can cause irreversible damage to the shotgun and is not covered under warranty AIP 120% recoil hammer spring The maximum cyclic rate of the Jack is affected by several factors the JACK was able to fire approximately 1200 rounds for a 13ci 3000psi cylinder before pressure dropped below regulated output