GBB type Flat Hop Up rubber , set

SKU: SBA-HOP-44 Categories: ,


“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 includes 4 hardness:


– blue color, 50°

– green color, 60°

– yellow color, 70°

– red color, 80°