FeelRight 13-27 inch Long Range Hinged Base Tilt Rifle Bipod High Shockproof Shooting Pivot Rotating Bi-pod Designed for real fire caliber, no collapse Mounts onto rifles with sling stud or with picatinny rail via adapter (sold seperately, search B012ZQSWYC, Add Both To Cart, it'll save 8%) High quality aluminum alloy in durable black matte finish, Rubber feet avoid slip, top rubber covered avoid scratch your caliber Easy to use, sturdy construction with lock screw, frame crossbar Tilt from side to side by Pivot Leg