Ammo is easy to find and relatively inexpensive. Hunters can use the 300 BLK in AR-15-style rifles and magazines but with significantly heavier and larger-diameter than the .223. Recoil is minimal ...
223 caliber ammunition—a high-velocity, military-standard rifle ammunition often used in AR-15-style rifles—and a handgun ammunition magazine to a first-time customer, Platkin said.