SME Large Chamber Safety Flag - 6 Pack - Safety flag to indicate the weapon is unloaded and safe during storage or training Fits into the chamber of a semi-auto pistol, rifle, or shotgun to indicate the weapon is unloaded and safe during storage or training End of the flag can be used as a non-marring pin punch to push out takedown/pivot pins on an AR-15/M16 or trigger pins on other guns. The flat edge of the flag head can be used on scope windage and elevation knobs instead of a slot head screwdriver. Small, Med, Large sizes available 6 per pack