DyNA Piston Head for M9A1 Gas Blowback Pistols SP-SILV-46 Inner barrel: 375 mm

Inner barrel: 375 mm

♦ FOR MARUI M4 MWS

Ideal for: - TAC-41 “330 mm” outer barrel used with a “GBB” hop-up unit

IR laser: 0

DyNA Piston Head for M9A1 Gas Blowback Pistols SP-SILV-46 Inner barrel: 375 mmDYNA Piston Head for M9A1 Marui Gas Blowback Series Aerodynamic 6 hole air intake !! Compatible with 15 mm large diameter piston cup mounted models! This custom piston head is compatible with 15 mm large diameter piston cup. Equipped with six hole air intake to upgrade the internal secrets of the cylinder which is the heart of the hand gun! Made in Japan This product improves the sliding motion and gives a harder blowback.