AIP Reinforced Hop-Up Bucking for TM GBB/VSR

AIP Reinforced Hop-Up Bucking for TM GBB/VSR Rubber Made If your hop up adjustment is not having a significant effect on the hop up of your BB, your hop up packing is probably worn down It is time to change a new one. Suitable for Tokyo Marui GBB (Marui Hi-Capa 4.3 / 5.1 / 1911 / G17 GBB Pistol) & VSR/L96 Air Cocking Rifle