Our .223 Firestorm is useable in both 5.56MM X 45MM AND .223! the image is of our .22LR firestorm and the .223 Firestorm has TWICE the payload. The tracer is a standard M855 tracer that we bore a cavity in the nose with a lathe then add our special sauce in the nose. The tracer lights red at about 75-100 yards and will burn to about 600 yards. The incendiary element will ignite when it hits a hard surface like steel plate, rocks, car door, etc. it will NOT light if it hits a tree or flesh. This item is illegal in: FL, IA, CA, IL and MA. It is also illegal in DC and the 5 boroughs of NYC. By purchasing you acknowledge you may legally posses this item in your jurisdiction and are of legal age to buy/possess.