Ytaks Weshect Medreirmel. .. "FIRING A GUN TRIGGERS THE BULLET TO EXPLODE" I think firing a gun ignites the powder in the cartridge with the primer, causing the bullet to propel f Ytaks Weshect Medreirmel "FIRING A GUN TRIGGERS THE BULLET TO EXPLODE" I think firing a gun ignites the powder in cartridge with primer causing bullet to propel f