Umarex Hard Rock Las Vegas Signal Effect Set - 22-piece

The Umarex Hard Rock Las Vegas signal effect set 22-piece consists of: 10 flare stars, 4 flare spirals, 8 sound effects Caliber: 15 mm The signal effects may be fired with a muzzle adapter (additional barrel) in caliber 15 mm. In calibers 9 mm PA blank and 9 mm R, the PTB test number on the muzzle adapter (additional barrel) must match the PTB test number on the blank firing or signal firearm! They may only be fired from approved blank firing or signal firearms with PTB marking using blank cartridges in calibers 6 mm Flobert, 8 mm blank, or .315 blank and a muzzle adapter in caliber 15 mm.