Silverback Advanced Piston Head for TAC41 'GBB' Type Cylinder Head Color_White 63mm Outer Barrel Extension (16M)

63mm Outer Barrel Extension (16M) + 190mm M

Scope Rail & RIS/RAS Rails

Metal Silencer

Each Sheel can hold 1 BB (6mm)

Suitable For Tokyo MArui M4/M16 Series Airsoft Electric Gun AEG Rifle

Silverback Advanced Piston Head for TAC41 'GBB' Type Cylinder Head Color_White 63mm Outer Barrel Extension (16M)An airbrake is cutting the air flow before the piston hits the bottom of the cylinder, creating an air damper that will reduce the impact noise, possibly at the cost of muzzle energy reduction. Silverback Advanced Piston Head for TAC41 'GBB' Type Cylinder Head Metal Construction Design For Upgrade the Original Parts Viton Oring with a ventilated design. No airbrake, short, medium & long airbrake options (for 4. 60 mm internal nozzle for TAC 41 GBB