The design of the AR-10 and AR-15 are identical. The difference is the caliber, and from of the difference in caliber rise a host of minor differences. Barrel rifling, ballistics, and magazine capacity are chief among these caliber differences. The ArmaLite AR10TAC16 is the AR rifle marketed for “tactical” use.
AR-10 | AK47
AR-15 rifles are lighter and have a higher rate of accuracy than the AK-47, but the AK-47 is considerably cheaper and more dependable in comparison. Both are extensively used by the military and police, as well as for general purpose hunting rifles and self-defense.