The Knight Armament SR-25 Combat Carbine Upper kits are the latest evolution in the lightweight 7.62mm NATO Carbine platform. Available in 14.5" configurations, the Combat Carbine provides 7.62 NATO performance in a package of comparable weight and size to common lower platforms. Featuring a lightweight barrel and a QDC Flash Suppressor, the Combat Carbine upper is a perfect choice in battle rifle performance. The complete upper assembly comes standard with a URX 4 M-LOK handguard, Knight's Armament Micro Front Sight, Knight Armament Micro 600m Rear Sight, SR-25 Buffer, SR-25 Action Spring, and Magpul M-LOK cover kit. 14.5" Lightweight Contour 5R Cut Rifle 1-10 C Mfg: Knights Armament