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!
Best frame there is at the pricepoint. It fits all tm-spec just fine, and the only difference compared to an advanced GSB frame is that the housing unit is just a little bit more wobbly