The Plug’r Shotgun Trigger Group Pin Punch is made of the same highly durable plastic used in the chamber devices. Quit using tools that can leave scratches! If you are a 3-gun’r or an avid sportsman, you know the importance of keeping the gun clean so the trigger group is removed often. A metal punch can leave a mark on the side panel. The Plug’r Shotgun Trigger Group Pin Punch will help you easily disassemble your trigger group without damaging your shotgun.