SHS POM Piston Head for Tokyo Marui M4 Next Generation

Features: SHS POM Piston Head for Tokyo Marui M4 Next Generation Essential part for upgrading your Gearbox POM piston head with ball bearing The ventilation holes on the piston head can greatly increase the speed that the piston travel; thus it increases the speed that the gun fires Come With rubber cushion which absorbs the force and decrease the noise when it impacts the gearbox Suitable for high capacity cylinder Good performance & durable