Weaver/Picatinny Type Rail Mount with Sling Swivel Stud/ Bipod Adapter provides Sling Swivel Stud as a mounting point for Slings or Bipods that mount to Swivel Studs like NcSTAR Precission Grade Bipods. Mounts to most Weaver/ Picatinny MIL-STD 1913 type rails Low Profile Design Black Anodized Aluminum Construction Includes mounting Tool Length: 1.9 inches Width: 1.2 inches Weight: 2.1 oz.