Recommended for use with lead airgun pellet and lead shot only. Do not use BB's. BB's can rebound and ricochet and can cause permanent injury, particularly to the eyes. Use appropriate ear and eye protection and make sure your range has a secure and reliable backstop.
The Gamo Trap - Pellet Cone should be used with ear and eye protection and that you are at a secure range. Note: Don't use BB's but lead pellets only.