Mako Group Recoil Reducing M4/AR-15 Stock Adjustable Cheek Riser with Picatinny Rail, Olive Drab Green Md: GL-ShockPCP-OD
The revolutionary patented 'GL-Shock' absorbing Buttstock contains a recoil-reducing mechanism with a built in premium silicon chrome alloy spring creating a State-of-the-Art stock for your M4/M16.