Material: 3D printed from high-quality, US-sourced PETG. INSTALLATION Your purchase includes three parts: the 3D printed holder, a 3D printed pic support with embedded M4 hardware, and an M4x30mm flat head screw. 1. Select the desired mounting location along the pic rail and verify clearance between the scope and mount. 2. Insert the M4 screw through the mount, into the appropriate notch in the pic rail, and into the 3D printed pic support piece. 3. Hand tighten the assembly until snug. Do not over-torque. DISCLAIMER Purchase includes only the 3D printed parts. All other objects shown in photos, such as the airgun and magazines, are for reference only. Use this product at your own risk. Evolve 3D, LLC is not liable for any damage to your property or person while using this product. WARRANTY We offer a limited lifetime warranty on our 3D printed parts.