WarBear Ventilation Piston Head

$9.00

Shipping calculated at checkout

SKU: BW-UP-WARB-VPH War Bear

Only 5 left!

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.