16″ 5.56 Black Nitride 1:9 Carbine M-LOK Government Upper Assembly - 27917

16″ 5.56 Black Nitride 1:9 Carbine M-LOK Government Upper Assembly

Built to outperform—reliability meets precision.

The 16″ 5.56 Black Nitride 1:9 Carbine M-LOK Government Upper Assembly is a no-compromise solution for shooters who demand consistent performance, rugged durability, and proven assembly standards. Built around a mil-spec forged upper receiver, this upper features a 16″ government-profile barrel with a black nitride finish, offering enhanced corrosion resistance, ease of cleaning, and long barrel life.

The carbine-length gas system, paired with a low-profile steel gas block, ensures reliable function with a wide range of ammunition. American-made M-LOK handguards (style may vary) provide lightweight modularity for optics, lights, and grips. A nitrided A2 flash hider tops off the barrel, while careful assembly using Permatex 242 and AEROSHELL 33MS anti-seize grease ensures every key component is torqued and locked in for dependable performance.

While the BCG and charging handle are not included, this upper is ready to complete your next rifle build. Backed by a Limited Lifetime Warranty and a Sub-MOA Guarantee when using match-grade ammo and proper technique.

Specifications

• Barrel Finish: Nitride / Melonite
• Barrel Profile: Government / SOCOM
• Cartridge Compatibility: 5.56 NATO
• Barrel Length: 16″
• Gas System Length: Carbine
• Twist Rate: 1:9
• BCG / Charging Handle: Not Included
• Handguard: American-Made M-LOK (style may vary)
• Muzzle Device: Nitrided A2 Flash Hider
• Warranty: Limited Lifetime
• Guarantee: Sub-MOA performance with match-grade ammo
• Origin: Made in the USA

This upper is a workhorse—ideal for range use, home defense, or duty builds that demand reliability from the first round to the last.