Knights Armament SR-15 E3 Mod 2 Upper Receiver Kit 5.56 NATO 16.10" Black

Knights Armament Upper Receiver Kit Features This Knights Armament upper receiver kit features a 16 hammer forged and chrome lined barrel. Using the improved E3 round-lug bolt design enhances function and increases bolt life far beyond the industry standard. The upper receiver kit barrel is free floated inside of the URX 4 M-LOK hand guard which provides military grade durability incredible accuracy and modularity. The 3 Prong flash eliminator will reduce the flash signature and is compatible with the Knights Armament line of 5.56 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 MOD 2 Type: Complete Gun Platform: AR-Style Handguards: URX4 M-LOK Receiver Material: Aluminum Barrel Description: Chrome Moly Cold Hammer Forged Barrel Length: 16.10 Receiver Finish: Black Weight: 4.30 lbs Handguard Finish: Black