Harris Bi - Pods The Harris bipods are quick detachable and clamp to the Q. D. stud of any rifle, we offer adapters for those rifles that do not have a factory installed Q. D. studs. Carrying with a sling or shooting off - hand is not impeded by the Bipod. Model H: (High) For prone or sitting shooting, its the best for varmint shooting. Adjustable from 13 1/2 to 23