Yes, externally, the two cartridges have the same dimensions, so a 5.56mm magazine will work for .223 and vice versa. Does and AR-15 shoot 556 or 223? Many AR-15 rifles shoot 5.56, but many also shoot ...

223 and vice versa. Does and AR-15 shoot 556 or 223? Many AR-15 rifles shoot 5.56, but many also shoot .223. It all depends on the barrel. Some which have a .223 Wylde chamber will safely handle both.

223 caliber pistol, was found along a wall with ... and was bought from Frontier Justice 556 days before the shooting, the court document stated. The complaint alleged that Manning is not licensed ...