Assault rifle with smoke coming out of barrel in slowmotion

Man, Earth, Fire, Security, Human, Fighting, Male, History, Shot, Conflict, War, Game, Bullet, Gun, Weapon, Rifle, Army, Battle, Military, Defense, Violence, Danger, Fog, Target, Explosion, Action, Smoke, Protection, Machine, Force, Combat, Soldier, Camouflage, Armed, Guard, Special, Munition, Assault, Terror, Armoring, Sharpshooter