Talley RMR Mounts are machined entirely from high grade 6000 series alloy and protected with a black anodized finish ensuring the craftsmanship of these Direct RMR Mounts last the lifetime of firearms. The Winchester Super X Series RMR Mounts are all designed and manufactured with precision to fit shotguns with the industry's tightest manufacturing tolerances. These RMR Direct mounts provide a mounting platform for RMR foot print Red Dot optics eliminating the need for a picatinny rail or other adapters for specified firearms.