Nine Ball 6.03mm Tight Bore for Hi-Capa 5.1/M1911A1/M45 GBB (112.5mm) Glock HPA Adaptor Additional features include a fully The rifle also has PW HU M4 svd Style:Red-Black Splash

Additional features include a fully retractable stock and folding vertical grip to make the weapon as compact as possible

***For users convince the trigger spring is included

These stocks are cnc machined out of durable aircraft grade aluminum

a quick-change spring system for easy FPS tuning

High tension steel spring for reliable feeding

Nine Ball 6.03mm Tight Bore for Hi Capa 5.1 M1911A1 M45 GBB (112.5mm) Glock HPA Adaptor Additional features include a fully The rifle also has PW HU M4 svd Style:Red Black Splash Additional features include a fully retractable stock and folding vertical grip to make the weapon as compact as possible ***For users convince the trigger spring is included