Harris bipods are quick detachable and clamp to the quick detachable sling swivel stud of any rifle. The Light is world's largest selling bipod, compact and light. Adjustable height from 9" to 13" Weight 11 oz. Rotates to either side for instant leveling on uneven ground. Hinged base has tension adjustment and buffer springs to eliminate tremor or looseness. They are otherwise similar to non-rotating Series. Available for ALL models except the "H" model.