|Single action trigger mechanism, bolt stop, ambidextrous safety lever and magazine catch. Includes a collapsible stock and the barrel is threaded 1/2-28 TPI. Multi-position collapsible stock allows for a short overall length of 22.7 inches with the stock collapsed and 30.6 inches when extended. Long top picatinny rail will accept a multitude of different optics and the removable under picatinny rail is included. Ambidextrous operating handles are non-reciprocating and latch in the forward position. Stock latch lever is also ambidextrous and located just in front of the trigger guard. Integral sling loop is included near the rear of the grip on both sides. Constructed of hard-coat anodized aluminum for the upper assembly and rails and houses the steel barrel. Collapsible stock is made with aluminum stock rods and a nylon butt plate. Stock was designed to have a natural cheek weld when extended. Grip, mag catch, safety levers, stock latch and operating handles are made of glass reinforced nylon (Zytel). Grip houses the frame which is made of aluminum. Bolt assembly houses a captive recoil spring assembly. Magpul flip-up sights included.