Cylinder Valve(GBBp/GBBr)- in order to increase the Power Muzzle Velocity. Gas Blowback Rifle or Pistols are mostly like the same. SIXmm has most of the type of Cylinder Valve available. SHOP NOW!
Was leaking out of the box, needed a little teflon tape on the pierce valve thread and a new silicon O-ring on the output valve and now it works perfectly. Not a lot of shots per filling though.