The bipod UTG swivel stud Picatinny slot adaptor kit converts your traditional rifle sling swivel stud to accept a bipod for Picatinny rails. The UTG swivel stud Picatinny slot adaptor kit allows your original sling swivel stud to retain it functionality for the installation of a sling when installed. The swivel stud to Picatinny adaptor is quick and easy to install, with no permanent modification required. The Swivel Stud to Picatinny adaptor is made from steel and aluminum construction with a padded adaptor plate to prevent marring of your stock.