UNIVERSAL FEATHERWEIGHT BIPOD Mounts to any rifle sling swivel stud fits any firearm with sling swivel stud and AR-15 types. Can be adapted to swivel or remain fixed (assembly required to determine swivel non-swivel or AR-15 configuration). Allows use of sling. Will not scratch rust or dent. Non-slip rubber feet. Weatherproof. Matte black glass-filled nylon. Made in USA. No gunsmithing. Push "Snap-N-Lock" button to fold legs forward rearward or downward. Includes: stock protective pad hardware and extra sling swivel stud.