Advanced Piston Head (GBB/TAC41) best airsoft ghillie a hammer bushing and a

a hammer bushing and a 80% fire-pin returning spring

HAO's 416C Collapsible stock for Marui MWS are CNC machined from an Alloy 7075-T6 billet which is as same material as real firearm

creating an air damper that will reduce the impact noise

Suitable For 6mm BB

More Stabilized Performance

Advanced Piston Head (GBB/TAC41) best airsoft ghillie a hammer bushing and aThis piston head features: Viton Oring with a ventilated design. No airbrake, short, medium & long airbrake options (for 4. 60 mm internal nozzle for TAC 41 GBB cylinder head only). POM piston ring NBR 80 Oring damper Stainless steel CNC construction, for additional piston mass (from 30. 2 up to 32. 2 grams, instead of 7. 6 grams for the original piston head) An airbrake is cutting the air flow before the piston hits the bottom of the cylinder,