CVLIFE 6-9 Inches Tactical Rifle Bipod Adjustable Spring Return with Adapter With return springs and leg release button, the leg length can be adjusted from 6 inches (152mm)to 9 inches(225mm). Made of hardened steel and aluminum, non-rust black anodized finish, the rifle bipod is duty and light weight. Adjustable leg length: 5 settings for different length, the bipod is ready to meet your needs. Quickly attach to or detach from the rifle using existing swivel stud. Foldable arms with spring tension control. Come with the mount adapter. Color: Black Material: Hardened steel and aluminum Leg Height: 6 inches/ 152mm (retracted); 9 inches / 225 mm (fully extended) Light weight : 10ozs 1 x 6-9 Inches Bipod 1 x Picatinny Mount Adapter