Products tagged with https://cdn.webshopapp.com/shops/44381/files/382263663/hop-44.jpg

“GBB” type, flat hopup rubber, 4 hardness set (50°/60°/70°/80°)


Initially designed for the TAC-41 “GBB” hopup, this hopup rubber can fit inside most of airsoft guns using “GBB” hopup rubber.

Transparent silicone for easier installation, this kit