MATERIAL 3D Printed PETG INSTALLATION Purchase includes two parts (Clamp-on base and Cap). WARNING! Confirm air gun is unloaded and safe before beginning installation. 1. Remove the existing rubber cap from the foster fitting. 2. Slide clamp-on base onto the end of the tube over the foster fitting until fully seated against end of tube. 3. Tighten the M3 screw using hand tool until clamp-on base is secure. DO NOT over torque. 4. Cap can now be snapped into place over top of foster fitting. DISCLAIMER The purchase includes only the 3D printed parts. All other objects 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.