10.3" Carbine 5.56 Government M-LOK Upper Assembly

10.3" Carbine 5.56 Government M-LOK Upper Assembly Built for short-barrel performance without cutting corners. The 10.3" 5.56 Government M-LOK Upper Assembly is a compact, hard-use option built for reliability and consistent performance. It features a nitride-treated 10.3" barrel with a Government/SOCOM profile, paired with a carbine-length gas system and a steel low-profile gas block for dependable cycling. The upper is completed with American-made M-LOK handguards (style may vary) and a nitrided A2 flash hider. All components are assembled with Permatex 242 and AEROSHELL 33MS for long-term durability. BCG and charging handle not included. Backed by a Limited Lifetime Warranty. Specifications Barrel Finish: Nitride / Melonite Barrel Profile: Government / SOCOM Cartridge: 5.56 NATO Barrel Length: 10.3" Gas System: Carbine Twist Rate: 1:7 BCG / Charging Handle: Not Included Handguard: M-LOK, American Made (style may vary) Muzzle Device: Nitrided A2 Flash Hider Origin: Made in the USA Warranty: Limited Lifetime