M.A.S.S. Gen.2 GIB1 This solution eliminates the need

This solution eliminates the need for a separate UFA and keeps very low air rig profile

doorknobs and anything else that’s there to slow you down

With less than 1 MOA parallax and unlimited eye relief

Weight: 160 g Shipping weight: 210 g

Length: 410 mm Weight: 100 g Shipping weight: 120 g

M.A.S.S. Gen.2 GIB1 This solution eliminates the needDescription Developed and manufactured by Mancraft, this buttstock chassis is a clever and comfortable replacement for standard M4 buffer tube stocks designed to provide a power source to HPA engines. The chassis is CNC machined from high quality aluminum alloy and anodized to minimize scratches and external physical damage. It is installed in place of a standard M4 buffer tube in the AR15 series of rifles and upgraded G36 and AK patterns. The M. A.