Harris Model LM Series S 9"-13" Bipod
The bipods are quick detachable and clamp to the Q.D. stud of bolt-action rifles of conventional stock design. They will also fit some Browning semi-autos, Savage 99's and single shot rifles.
Will fit some other guns with an adapter. Harris Bipods are not suitable for all firearms. Hinged base has tension adjustment and buffer springs to eliminate tremor or looseness in crotch area of bipod