ATI Universal 2" Aluminum Forend Picatinny Rail with Sling Swivel Stud. Fits Tactical Shotgun and rifle Forends. Picatinny Rail with Swivel Stud is Constructed Of Military Type III Anodized, 6061 T6 Aluminum. Swivel Stud can be removed to just use as accessories mounting location for grips or lasers. Fits: All ATI AK-47 Strikeforce Handguards, Strikeforce Stocks for Ruger Mini-14/Mini-Thirty, Ruger 10/22, and SKS Comes with One Swivel Stud and rail with mounting hardware. The 2" forend picatinny rail is capable of accepting any standard bipod. Limited Lifetime Warranty.