Maple Leaf Autobot Silicone Hop Bucking GBB

Maple Leaf AUTOBOT Silicone Hop Bucking for WE / Marui / KJ Works / VFC (Umarex) GBB 
Rubber Construction
Design to give you optimal, stable performance
This product works well in cold weather.
Suitable For WE/ Toyko Marui/ KJ Works/ VFC (Umarex) GBB Rifle