Knights Armament M4 CARB RAIL ADAPTER SYSTEM 556

Knight's Armament M4 Carbine RAS 5.56 with Three 11-Rib Panels Black. 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 rifles 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. Rifle Requirements: 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; not compatible with SR-25 variants. Specifications for Knight's Armament M4 Carbine RAS Forehand Assembly with Three 11-Rib Panels: Manufacturer: Knight's Armament Color: Black Finish: Anodized Fabric/Material: Aluminum Gun Make: AR Platform Gun Model: AR-15 Gun Type: Rifle Gun Rail: MIL-STD 1913 Weight: 8.9 oz Additional Features: 11-Rib Country of Origin: USA Length: 6.25 in Attachment Type: Picatinny Package Contents: Knight's Armament M4 Carbine RAS Forehand Assembly with Three 11-Rib Panels Installation instructions Knight's Armament 98064: M4 Carbine RAS 5.56 with Three 11-Rib Panels Black