Harris Bipods clamp to any Quick Detachable Stud. The bipods have strong recoil springs to prevent damage to the stock and maintain point of impact. Harris Bipods Legs are adjustable for height. They are manufactured with heat-treated steel and hard alloys with a black anodized finish. The tallest of the Bipods, Three piece leg construction adjustable from 13 1/2" to 27". This bipod rotates to either side for instant leveling on uneven ground and has a hinged base with tension adjustment and buffer springs to eliminate tremor or looseness.