20" 5.56 NATO M-LOK Upper Assembly 1:7 Twist

20" 5.56 Gov / SOCOM M-LOK Upper Assembly This high-quality 20-inch upper assembly performs as well as it looks. It features a top-tier mil-spec forged upper receiver, a 5.56 Mil-Spec Steel Black Nitrided Barrel, an APOC Armory black Nitride steel gas block, a quality American-made M-LOK handguard (style may vary), and a top-of-the-line Black Nitride A2. With this Government Contour barrel chambered in 5.56, a 1:7 twist, and a rifle gas system, it delivers higher velocity and a longer sight radius. We always take the extra time to ensure the upper will function properly and reliably. It is built with Permatex 242 on key components while using mil-spec AEROSHELL 33MS Anti-Seize grease on the properly torqued barrel nut and muzzle device. This is an excellent product from an industry leader at a great price. Buy with confidence. Features 7075 Aluminum Upper Receiver Pairs beautifully with any mil-spec lower M4 Feed Ramps 20" Black Nitride 4150 Steel Government Barrel 5.56 NATO Rifle Length Gas System 1:7 Twist Rifle- Length Gas System APOC Armory Nitrided Steel Gas Block Stainless Steel Gas Tube 15" M-LOK Free Float Handguard American Made 6061 Aluminum Handguard - style may vary Muzzle Device Mil-Spec A2 Birdcage Jet Black Nitride Finish *Does not include bolt carrier group or charging handle* Made in the USA NOTE: Guaranteed Sub-MOA performance with match-grade ammo and proper shooting technique