Nine Ball Custom Lower Frame RR 5.1 For Marui Hi-CAPA Rear Sight At the end of the

At the end of the barrel the air will pass the BB and come out first and when the BB comes out of the barrel

Designed for the Tokyo Marui VSR-10 bolt action and blow-back pistols in mind including the Hi-Capa 4

Injection molded polymer construction

Include Enhance 150% Recoil Spring

Nine Ball Custom Lower Frame RR 5.1 For Marui Hi-CAPA Rear Sight At the end of theFits For Hi Capa 5. 1 & Gold Match GBB Pistol Lower Frame with lightweight and high quality, made of aluminium die cast. Under rail is integrated with Lower Frame and slim shape. Reduce about 58% of weight from original (5. 1inch Lower Frame). Super light weight 61g.