Spent 5.56×45mm caliber blank shell-casings fired by actress Tristan Risk from a real fully-automatic M-16 in the film FRANKENSTEIN CREATED BIKERS. Own your own little piece of badassery! Great for making a unique necklace or key chain. Comes with a certificate of authenticity. 2" long. DOMESTIC ORDERS ONLY! WE CAN NOT SHIP THESE OUTSIDE OF THE UNITED STATES.