SHS one piece radiating cylinder for electric guns (radial)

New one piece model with integrated cylinder head
thanks to the special process give maximum air pressure to be bb
the special single body will also avoid gearbox shocks while shooting encreasing his durability
radial surface have better heat dissipation while using hi power springs
for Marui, G&P, G&G, KA type m4, m16, g3, mp5, ak and compatible models