joshuateraoUp for sale is an authentic Knight’s Armament Company (KAC) M5 RAS (Rail Adapter System) rifle-length quad rail handguard. This is genuine USGI-issued equipment originally fielded on the M16A4 platform and widely used during the GWOT era. Ideal for correct military clone builds or quality rifle-length AR-15 setups. This M5 RAS is a two-piece, drop-in, non-free-float 1913 Picatinny quad rail system designed to replace standard A2-style polymer rifle-length handguards without permanent modification. Condition is excellent military surplus. Wear is limited to handling and storage only. Structural integrity is solid, rails are clean, and locking interface functions as intended. Rifle Requirements: The M5 RAS is a direct drop-in replacement for standard 2-piece rifle-length handguards. Your rifle must have: Rifle-length gas system Delta ring assembly Fixed front sight base / gas block Round or triangular rifle-length handguard cap Lighter Government-profile barrels work best. Heavy barrel profiles may require minor internal clearance modification. Compatible with AR-15 / SR-15 pattern rifles only. Not compatible with SR-25 platforms. Specifications: Manufacturer: Knight’s Armament Company (KAC) Model: M5 RAS Length: 11.5" Weight: 14.4 oz Rail Type: MIL-STD-1913 Picatinny (Quad Rail) Free Float: No (drop-in design) Material: Aluminum Finish: Black anodized. This listing is for the handguard assembly only. Rail panels provided upon request. Please understand what you are purchasing and verify compatibility with your upper configuration prior. Authentic USGI. No reproduction parts. Location: Falls Church, VA 22041
