Maple Leaf Mr Hop Silicone Hop Bucking GBB

Maple Leaf MR. Silicone Hop Bucking for GBB Pistol/ Marui VSR-10 
Rubber Construction
Design to give you optimal, stable performance
This product works well in cold weather
Suitable For WE, Tokyo Marui, VFC (Umarex), GBB Rifle/ VFC 10 System