Sniper Tactical High Profile Aluminum Bipod Barrel Attachment Clamp; Black Aluminum; Fits .43" to 0.75" Diameter Secure fit for barrel sizes from .43" to 0.75" The high-tech, durable aluminum construction is lightweight, strong, and built to last. Dual Picatinny or swivel stud mounting system. Posi-lock + rubberized feet Height from 9 to 11 inches, foldable legs Easy to use, simple to install