Beileshi Tactical Low-Profile Universal Foldable Clamp-on Bipod Low-profile, foldable tactical bipod with adjustable height from 6 to 9 inches Adjustment wheel for wide range of barrel sizes from 13 to 20 millimeters Unique posi-lock feature to prevent tipping; stable rubberized comfort stand User-friendly spring operated, double-lock clamp High tech durable aluminum construction