150-611 Compact Picatinny Rail Versa-Pod Mount Bipod Rest Adapter Compact Mil STD Picatinny Rail Adapter ALL-STEEL Construction - Built To Last! Allows Limited Axial Rotation (Canting) tilt. Machined Square Cross-Cut Bolt For Supior Strength - Great Application For Pistol Calibers This Adapter fits The Versa-Pod Classic and 50 Series bipod Rest - Also Fits Parker Hale