Extends from 13 1/2" to 27"; Attaches directly to a Picatinny Rail only; Three-piece smooth leg construction; Swivels (tilts) to compensate for uneven terrain; Ultralight weight - 21.5 oz; For Sitting Position; Tallest of the bipods, useful in snow and grass; May be better suited for the very tall; Has a built-in sling swivel stud to attach the sling; 100% Made in the USA