This GG&G Rear Loop Sling Mount is an ideal sling mounting solution that is reversible for right or left hand use and compatible with HK-style Clips or Mash Hooks. The rear loop mounts easily just behind the receiver and allows for the use of either a single point or 2 point sling arrangement. Bead blasted and Type III Hard coat anodized finish in non-reflective matte black per Mil-Spec.FeaturesBead blasted and manganese phosphate finished in non-reflective matte black per mil-specAll edges are smoothed and rounded for the shooter's safetyCompact & easy to installLifetime warrantyMade in America By men And Women Proud To Be Americans! Note: The Benelli M4 adapter will not fit a Benelli M4 with collapsible stock