FEATURES: - Made from durable PETG plastic. - Provides a secure grip around the barrel shroud and cylinder. - Helps minimize barrel movement and flex during handling or shooting. Whats Included? 1x 3D Printed Barrel Band (PETG) Pre-installed Silicone Friction Pads M3 Mounting Hardware (screws and square nuts) COMPATIBILITY Designed specifically for the stock tube model Umarex Zelos. INSTALLATION WARNING! Before installing any accessories, always ensure your airgun is unloaded and safe. Do not fully loosen the screws during installation, as the M3 square nuts may fall out of the barrel band slots. Prepare for Installation Remove any existing accessories that may interfere with the barrel band. Remove the tube from the rifle in accordance with manufacturer recommendations - the band will need to be installed from the back of the tube due to the Position on the pressure gauge. Position the Barrel Band Slide the barrel band over the cylinder and shroud, carefully working it into place. If needed, apply a small amount of silicone-safe lubricant to ease installation. Secure the Barrel Band Hand-tighten the assembly until snug. Do not over-torque the screws. DISCLAIMER The purchase includes only the 3D printed part and mounting hardware. All other items in photos 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.