Zink Firework Whistle Cartridges with Silver Comet 50 pcs. 15 mm

The Zink fireworks whistle cartridges with silver comet 50 pcs. 15 mm produce a whistle sound and a silver comet after firing. Caliber: 15 mm The signal effects may be fired with a muzzle cup (auxiliary barrel) in caliber 15 mm. In calibers 9 mm PA blank and 9 mm R, the PTB test number on the muzzle cup (auxiliary barrel) must match the PTB test number on the blank firing or signal weapon! They may only be fired from approved blank firing or signal weapons with PTB mark using blank cartridges of calibers 6 mm Flobert, 8 mm blank, or .315 blank and a muzzle cup in caliber 15 mm.