Knights Armament Upper Receiver Kit 5.56 NATO 11.5 Barrel M-LOK

Knights Armament Upper Receiver Kit Features The Knights Armament Upper Receiver Kit SR-15 CQB MOD 2 features a 5.56mm NATO 11.5 chrome lined barrel manufactured for military grade durability and is free-floated inside a URX4 M-LOK handguard. An improved E3 round-lug bolt design both enhances function and increases bolt life far beyond the industry standard. The 5.56mm 3-Prong Flash Eliminator interferes with propellant gas combustion forward of the muzzle to significantly reduce flash signature will not ring upon firing or when struck and is compatible with the Knights line of 5.56mm QDC Signature Reduction Devices. Knights Armament Upper Receiver Kit Specifications Brand: Knights Armament Category: Uppers Caliber: 5.56x45mm NATO Model: Upper Receiver Kit Sights: Flip Up Front & Rear Barrel Finish: Black Muzzle: 3-Prong Flash Eliminator Twist: 1:7 Firearm Fit: SR-15 CQB MOD 2 Type: Complete Gun Platform: AR-Style Handguards: URX4 M-LOK Receiver Material: Aluminum Barrel Description: Chrome-Lined Free-Floating Hammer Forged Barrel Length: 11.50 Receiver Finish: Black Weight: 3.80 lbs