FAB Defense QD Sling Swivel with Picatinny Base Mount Black. These Swivels built by FAB Defense mount to any 1913 MIL-STD Picatinny rail and allow for ambidextrous use to suit all marksmen. The FAB Defense PSA Picatinny Sling Attachment is made to last with a hard black anodize and lightweight construction that will hold up in the field without weighing you down when mobile. Hunters range enthusiasts and tactical operators will love the versatile benefits of this FAB Defense Tactical Sling Attachment. Specifications for FAB Defense QD Sling Swivel with Picatinny Base Mount: Manufacturer: FAB Defense Color: Black Weight: 0.112 lb 51 g Width: 36 mm 1.42 in Height: 52 mm 2.05 in Length: 2.68 in 68 mm Features of FAB Defense QD Sling Swivel with Picatinny Base Mount: Incorporates the durable SLS QD Sling Swivel and a universal Picatinny attachment Allows Ambidextrous Use Provides Additional Tactical Versatility for Two Point Slings Mounts To Any 1913 Mil-Std Picatinny Rail Hard Black Anodize Ultra-Light Weight Easy to Install with One Locking Bolt Package Contents: FAB Defense QD Sling Swivel w/ Picatinny Base Mount FAB Defense fx-psa: QD Sling Swivel with Picatinny Base Mount Black FX-PSA