Engineering & Technical Division

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Accuracy with the Armalite AR-180 was more than acceptable, with the open sights producing 1- to 2-inch groups at 50 yards with the ammunition tested.



Ultimately, despite the AR-180’s positive features, the design was not widely adopted or popular with the public.







AR-18/180 magazines are almost indistinguishable from the more common AR-15/M16 magazines. The two on the left show the slot on the right side, indicating a 45-round and 20-round AR-18/180 magazine next to a 30-round AR-15/M16 magazine.



The AR-180 was originally produced in Armalite’s Costa Mesa plant from 1969 to 1972 before moving to Japan’s Howa Manufacturing from 1972 to 1974 and eventually to Sterling Armaments in the UK from 1976 to the mid-1980s.



The AR-180 dispensed with elevated carry handle with sights located closer to the action.



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