Description
16″ 5.56 Phosphate Carbine M-LOK M4 Upper AssemblyBattle-Tested Reliability with Classic M4 Styling – Built for Everyday Performance.The 16″ 5.56 Phosphate Carbine M-LOK M4 Upper Assembly brings together rugged design and proven functionality, perfect for shooters building a dependable, hard-use AR-15. Featuring a 16-inch M4-profile barrel with a durable mag phosphate finish and a carbine-length gas system, this upper delivers the classic feel and performance trusted by professionals. It’s built on a forged mil-spec upper receiver and paired with quality American-made M-LOK handguards, offering modularity and strength where it counts. The nitrided A2 flash hider and low-profile steel gas block complete the package, while meticulous assembly practices—like the use of Permatex 242 and AEROSHELL 33MS—ensure long-term reliability. Whether you’re equipping a range rifle or prepping a duty-grade build, this upper is ready for the challenge and backed by a limited lifetime warranty.SpecificationsBarrel Finish: Mag PhosphateBarrel Profile: M4Cartridge Compatibility: 5.56 NATOBarrel Length: 16″Gas System Length: CarbineTwist Rate: 1:9BCG / Charging Handle: Not IncludedHandguard: M-LOK (style may vary)Warranty: Limited LifetimeGuaranteed Sub-MOA performance with match grade ammo and proper shooting techniqueMade in the USA
