The GG&G Mossberg 500/590 Rear Sling Attachment with Quick Disconnect Sling Swivel is the very best way to attach a sling to your tactical/home defense shotgun. The Mossberg 590 Shotgun is one of the most popular Mossberg shotguns in the marketplace. Not every shotgunner likes to use slings outfitted with the HK style quick clip or mash hook, yet they would still like to have the tactical flexibility that a quick detach sling provides. GG&G has developed a solution for those shooters. Specifications and Features: Compact and easy to install Can be used with a two point sling set up or as a single point sling attachment Provides a side Quick Detach Mossberg 590 sling mount With just a push of the QD button, unsling your Mossberg 590 shotgun for tactical flexibility Includes Enhanced Heavy Duty Quick Detach Sling Swivel QD Sling Swivel accommodates up to 1.25" slings Mossberg 590 Rear Sling attachment includes Limited Rotation Sling Swivel feature to help eliminate sling wrap up Manufactured from solid billet 6061 T-6 aluminum All edges have been dehorned for shooters safety Bead blasted and Type III hard anodized in matte black per mil-spec Fits: Mossberg 500/590 Shotguns