Magpul

The Forward Sling Mount is a sling attachment point for the Remington 870 and Mossberg 500/590/Maverick series of shotguns which clamps onto the barrel and extended magazine tube. It can be configured for use with either Push-Button QD Sling Swivels or one-point clip-in style attachments such as the MS3 Paraclip™, the HK® hook, ITW™ MASH hook, and others. Made from precision cast steel that is Melonite® treated for wear and corrosion resistance. Dedicated fit for the Remington 870 and Mossberg 500, 590, and Maverick shotguns with an extended mag tube. Made in U.S.A.