MegaBOOM, All Metal plus Small Bottle Adapter Limited Edition Set Turns empty bottles into reactive BOOMING targets!(May exceed 150 decibels). Set contains: one MegaBOOM with Stainless Steel base, machined aluminum Small Bottle Adapter, and Ballistic Bag Use with any common projectile: bolts, bullets, arrows, and .22 pellets. Made in the U.S.A.