Harris 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. FeaturesExtends from 13 A 1/2" to 27"Attaches directly to a Picatinny Rail onlyThree-piece smooth leg construction Swivels (tilts) to compensate for uneven terrain.Ultralight weight - 21.5 ozFor Sitting PositionTallest of the bipods, useful in snow and grassMay be better suited for the very tallHas a built-in sling swivel stud to attach the sling