The .450 Bushmaster suppressor friendly cartridge is designed to be used in the standard M16s and AR-15s, using modified magazines and upper receiver assemblies.

.450 Bushmaster is a high-pressure rifle case, thus making efficient use of heavy .452″ bullets. The cartridge is chambered in bolt action rifles manufactured by Ruger and Savage, AR-15 rifles, as well as an AR-15 pistols

Ballistically the round is very flat out to 200 yards; if the firearm is zeroed at 150 yards, the user can expect to see a rise of 1.8 inches at 100 yards, zero at 150 yards and a drop of 4.9 inches at 200 yards. The cartridge fits single-stacked in a standard AR-15 magazine with a single-stack follower. A 10-round AR-15 magazine body yields a five-round magazine, a 20-round AR-15 magazine body yields a nine-round magazine, and a 30-round body yields a 13-round magazine.


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