.223 Remington, 52 gr FMJ-BT
.223 Remington, 52 gr FMJ-BT is a full metal jacketed round that is mostly used for hunting. It is nearly identical to the 5.56mm NATO round used by many militaries around the world. It has a weight of 52 grains and produces a muzzle velocity of 3,240 fps. It produces muzzle energy of 1,282 ft/lbs.