The RRA Operator ETR Carbine is a light weight AR-10 style rifle chambered in .308 Win/7.62x51mm NATO. It has a Billet upper and lower receiver with a 13" free float M-Lok compatible hand guard and a 16" chrome lined barrel with an A2 style flash hider. For accuracy it carries a two stage "Ultra Match" trigger. Included is a 6 position NSP-2 stock and 1x20 round magazine.