The Improved Carbine rifles are the next step in the evolution of the AR platform. Fully ambidextrous lower has dual controls for bolt catch bolt release magazine release and safeties. Monoforge upper receiver with integrated rail base is strong and light. As with all LWRCI rifles the top rail is easily removable without tools allowing access to the piston components while preserving a repeatable zero. Scalloped cut rail for easy access to 2 position adjustable gas block. Includes LWRCI Skirmish flip-up iron sights. 12" User configurable rail system Short stroke gas piston system with 2 position gas block NiCorr treated spiral fluted cold hammer forged barrel Nickel Boron coated bolt carrier & ambidextrous charging handle Magpul MOE Grip A2 flashhider Magpul Pmag included LWRCI Adjustable compact stock with QD mount