Caldwell AR Bipod Prone Black. This Tactical Bipod from Caldwell is made with built in systems for both pivot and cant movements that give the shooter maximum range of alignment without having to reposition the bipod. The unique internal spring system on the Caldwell AR Bipod Prone Model is both low profile and quiet. The unique leg adjustment mechanism on the Caldwell AR Bipod delivers fast and secure no-wobble height positioning. Rubber feet ensure good grip on all surfaces. Lightweight and durable anodized aluminum construction. Specifications for Caldwell AR Shooting Bipod - Prone Position: Manufacturer: Caldwell Condition: New Fabric/Material: Aluminum Height: 8.75 - 12 in Features of Caldwell 10in Prone Position AR Bipod: Quickly attaches/detaches to any picatinny rail Lightweight and durable anodized aluminum construction Package Contents: Caldwell Prone Position AR Tactical Bipods w/ Picatinny Attachment Caldwell 531123: AR Bipod Prone Black