Produces a loud scream when launched and ends with a brilliant shower of stars that explode into Crackle. Complete rounds ready to launch. Loaded in CNC machined aluminum casings with powder bushings. Fully re-loadable with our 37MM Reloading  Kits.  With each 3 Round Pack you receive loaded rounds and 3 re-loadable casings which are $20.00 each, a $60.00 value per Ammo Pack. Made in U.S.A. 3 Round Pack.