MATERIAL 3D Printed PETG INSTALLATION Purchase includes three parts 3D printed barrel band assembly, M3x22mm screws, and M3 square nuts. WARNING! Confirm air gun is unloaded and safe before beginning installation. 1. Remove any barrel or tube accessories (moderators, thread protector, foster cap, etc) 2. Slide barrel band assembly over shroud and tube / bottle. NOTE: this will be snug and may require you to separate barrel band by pulling out on the sides or squeezing the top and bottom while working it into place. Be careful not to peel up the silicone friction pads while you are sliding it into place. 3. 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.