6-9 Inch Tactical Rifle Adjustable Spring Bipod with Adapter Bipod Specification: Color: Black. Material: Hardened steel and aluminum. Leg height: 150mm (retracted); 225mm (fully extended). Light weight: 10 oz. Includes Picatinny adapter. These precision grade bipods will fit a Picatinny rail on the rifle's forearm perfectly. Improved Mount Tension Screw The bipod is built with improved mount tension screw, which is heavy duty and has threads deep enough to hold tension. 5 leg length adjustments. The bipod legs have 5 notches. You can extend and lock the bipod legs to any of the notches by lightly pressing the button. Folding design The springs in the legs make it easy to fold the legs and provide smooth operation, helping to maintain quiet movement when hunting. Superior Quality Made from 7075 aluminum alloy, with a non-rusting black anodized finish, the bipod is lightweight, strong, and built to last. High-quality rubber at the bottom of the leg makes the bipods shockproof and anti-slip. External springs control the legs more stable and unfold quickly. What's in the Box: 1x 6" - 9" Picatinny Mount Adapter The bipod can be quickly attached or detached by using the rotating bolt. Adjustable leg length (5 settings) with return springs, you can adjust the length to meet different needs when hunting. Made of hardened steel and aluminum, anti-rust black anodized finish, the bipod is strong and lightweight.