UTG Pro Swivel Stud to Picatinny Adaptor Kit Black. The UTG Picatinny Slot Swivel Stud Adaptor Kit by Leapers provides an alternative swivel stud for sling swivel attachment making this UTG Pro product one of the most versatile Weapon Accessories available. Leapers Weapon Accessories are available for purchase in our online store. Specifications for UTG Pro Swivel Stud to Picatinny Adaptor: Manufacturer: UTG Pro Color: Black Weight: 2.2 oz Gun Make: Universal Finish: Matte Features of Leapers Swivel Stud Picatinny Slot UTG Adaptor Kit: Most Innovative Design to Convert Swivel Stud into 1-Slot Picatinny Rail for Bipod Installation Provides Alternative Swivel Stud For Sling Swivel Attachment Package Contents: Leapers UTG Swivel Stud to Picatinny Adaptor UTG Pro TL-BPAD1: Swivel Stud to Picatinny Adaptor Kit Black