Impact Weapons Components 45 Degree Offset design recesses the Quick Detach Socket as close to the centerline of the weapon as possible for maximum clearance. Directly attaches to all Picatinny MIL-Spec 1913 & STANG Rails and is compatible with all push button QD Sling Swivels. Rotation is limited to allow proper positioning of the sling between the firing and carrying position and prevents sling wrap-up and twist. The QD mount features easy installation using the supplied Hex Key and 2-10/32 x 1" SOC head fasteners. CNC Machined from 6061-T6 aluminum with a hard anodized Type III matte finish.