KAC M4 CARB RAIL ADAPTER SYSTEM 556

Knights Armament Company M4 Carbine Rail Adapter System w/3 11-Rib Panels, 1913 Picatinny, Black 98064

Knights Armament's M4 RAS (Rail Adapter System) was developed for use on the US military's M4 Carbine and with over 1 million rails issued to date it is one of the most battle proven designs available for the AR-15 platform. This non-free float handguard is a simple-to-install drop-in upgrade that features genuine Mil-Spec M1913 Picatinny Rails along its entire length. What sets the M4 RAS apart from other 2-piece quad rails on the market is that it securely locks to the rifle's barrel nut via a clamp and screw arrangement making it a very solid foundation upon which to mount tactical accessories. Includes three KAC 11 Rib Rail Panels. The M4 RAS is a drop-in replacement part for standard 2-piece polymer M4-type handguards. The rifle must have a carbine length gas system delta ring assembly fixed front sight/gas block and round handguard end cap. Lighter barrel profiles work best (M4 or Government contours). Heavier barrel contours may require modification to the inside of the rail. For AR-15/SR-15 based platforms only