Those first two letters actually stand for “ ArmaLite Rifle,” named after the company ... on your perspective): the 5.56x45mm AR-180. The AR-18 entered the initial design phase in 1963 and ...

However, long before the AR-15 was vilified by American politicians, another ArmaLite rifle was gaining notoriety ... perspective): the 5.56x45mm AR-180. Bartocci adds that the original factory ...