whole it s called the submachine gun. sub meaning be cared by one person. a semiautomatic fires one round for each pull of the trigger. we don t know which one this was. we don t know if it was a rifle or a handgun many look at the four marines dead and the witness description of the loud noises. we think possibly it could be a semiautomatic rifle. at least it could be a fully automatic rifle. the major thing, though is the develop os tut of the round. you get into a rifle, you are talking about a muzzle velocity that s coming out like a flying drill bit. it s 3200 feet per secretary out of a standard 223 cart ridge. maybe 2400 feet we see all over the world. it s like a flying drill bit. it s a tremendous wound that hits you. you don t have immediate medical