ArmaLite AR-10A4 Carbine Gun Review - ArmaLite AR-10A4 Carbine (US - Semi-Auto Carbine - 7.62 mm NATO) Review What is your rating of the ArmaLite AR-10A4 Carbine ? Feel free to compare the ArmaLite AR-10A4 Carbine to similar types of guns / firearms. Politics, Business, Civil & History.