This ProMag Ambidextrous Single Point Sling Adapter Plate mounts betweem standard stock and receiver of your Remington 870 to allow the use of a single point sling.The adaptor plate installs between the stock and receiver on Remington Model 870 shotguns to allow the use of a single point sling. Ambidextrous mount allows sling to be mounted to either side of the stock. Constructed of aluminum alloy with a black, hard-anodized finish. Features: Ambidextrous single point sling adaptor plate for Remington Model 870 Installs between the stock and receiver Mount allows sling to be mounted to either side of the stock Made of aluminum alloy with a black hard anodized finish Made in USA