if i am mistaken which happens. the 458 socom a pistol round and the 450 a high power rifle round. what i am wonting is two things i wont to get a ar15 in a high power rifle cal bigger then the 5.56 or .223 something like a 7.62. Second i wont a hunting rifle that is semi auto that i can use on Deer outside indiana bear and elf as i will be travling around and be able to due some out of state hunting. What i need to know is the bushmaster .450 rifle good for hunting all three or is the 458 socom a high power rifle round