Compact and versatile, this 5.56 NATO Upper 16″ M4 Barrel 1:7 Twist Mid-Length Gas System MLOK Rail features a durable 4150 Chrome Moly Vanadium barrel with a 1:7 twist rate and a mid-length gas system. It includes a 15” MLOK rail, a rear charging handle, and a bolt carrier group, making it a complete upper assembly ready for your AR-15 platform.

Built for reliability and performance, this 5.56 NATO upper assembly delivers consistent cycling and reduced recoil, perfect for both tactical applications and competitive shooting.

The 5.56 NATO Upper 16″ M4 Barrel 1:7 Twist Mid-Length Gas System MLOK Rail is constructed with a parkerized finish for enhanced durability and corrosion resistance. The 1:7 twist rate is optimized for a wide range of bullet weights, ensuring versatility in ammunition selection.

Warning WARNING: This product can expose you to chemicals, including lead, which is known to the State of California to cause cancer, birth defects or other reproductive harm. www.P65Warnings.ca.gov.