The BMLOK plate comes with removable stop screws to ensure a non-slip mounting point while firing heavier recoil platforms. The semi-permanent plate incorporates a 1.5" dovetail fully compatible with the standard RRS quick-release clamps and heads. CNC machined from solid 6061 T6 aluminum block and type III hard anodized, the BMLOK is built from the ground up for maximum functional performance, ruggedness, ergonomic fit, and finish.Features:Reinforced M-Lok mounting pointsCNC machined 6061-T6 aluminumMatte black anodized