WarBear Ventilation Piston Head

Price: $9.00 — In stock at 1 retailer.

WarBear Ventilation Piston Head Essential part for upgrading your Gearbox 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 The piston head has a special design which can decrease the friction occurs when the spring compresses This design not only can prevent the malfunction of the spring, but also increase the durability.