Lucky Shot Set of 4 Polished 40 Caliber Bullet Valve Stem Caps Made from a genuine once-fired, American made 40 caliber round. There are no live primers, powder or any explosives, completely safe Patented insert that will never come out or spin off. Lacquer coated to help prevent tarnishing Great gift for any gun-loving friend or family member Top Brand items as recently featured on TV Programs like Fox Firepower, Fox and Friends, and more Made in the USA by an American company