This is 12 Gauge Phoenix Burst Ammo. The Phoenix Burst round is comparable to a Nightlighter round. This ammunition produces an enormous wall of sparks and extremely hot Titanium flakes for 150+ feet. The Titanium flakes contained inside burn when fired at over 3000 degrees fahrenheit, showering your target in a momentary wall of hot Titanium flakes. WARNING! This ammunition is an EXTREME fire hazard. Do not shoot in any dry grass, foliage, trees, or near flammable materials. Please use extreme caution. This ammo is extremely dangerous. This ammo can be shot in any 12 gauge shotgun that accepts 2 3/4" shells. This ammo will not do any damage to your weapon. It is safe to shoot in all 12 gauge shotguns.