MATERIAL 3D Printed PETG INSTALLATION Purchase includes three parts: 3D printed barrel band assembly, M3x22mm screw, and M3 square nut. WARNING! Confirm air gun is unloaded and safe before beginning installation. 1. Remove any barrel accessories. 2. Slide barrel band assembly over shroud and tube using gun and O-ring safe lubricant if necessary. 3. Secure barrel band assembly using M3 hardware, hand tightening until snug. DO NOT OVER TORQUE! DISCLAIMER Purchase includes only the 3D printed parts. All other objects are for reference only. Fill Probe is NOT included with purchase. 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.