Harris S-25CP Picatinny BipodHarris S 25CP Bipod Picatinny Rail Mount 13 1 2 to 27 is one of the tallest bipods in Harris's offering. It is useful in the snow and it may be better suited for unusually tall or heavy men. Featuring a three piece leg construction this bipod extends from approximately 13. 5" to 27" barrel height. Attaches to a picatinny rail mount. Features: Extends from 13 to 27 Attaches directly to a Picatinny Rail only Three piece smooth leg construction: Allow