M.A.S.S. Gen.2 GIB1 provides no-slipmax comfort

provides no-slipmax comfort

and installed light

With less than 1 MOA parallax and unlimited eye relief

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

a serrated tanto blade length of 89mm

M.A.S.S. Gen.2 GIB1 provides no-slipmax comfortDescription 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.