MATERIAL 3D Printed PETG INSTALLATION Purchase includes three parts 3D printed barrel band assembly, M3 screw, and M3 square nut. WARNING! Confirm air gun is unloaded and safe before beginning installation. 1. Remove set screws near breech to slide barrel off. 2. Slide barrel band assembly over barrel and tube using gun and O-ring safe lubricant if necessary. 3. Align and secure barrel with barrel band in place. 4. Secure barrel band assembly, using m3 hardware, by hand tightening until snug. DO NOT OVER TORQUE! DISCLAIMER The purchase includes only the 3D printed parts. All other objects are for reference only. USE this product at your own risk. EVOLVE 3D, LLC is not liable for damage to your property or person while using this product. WARRANTY We offer a limited lifetime warranty on our 3D printed parts.