Anderson 5.56 NATO 16in M4 Barrel 4140 ChromeMoly 1/2x28 Carbine Gas Finish

The Anderson Manufacturing 5.56 NATO 16" M4 Contour Barrel in 4140 Chrome Moly Steel delivers proven reliability for AR-15 builds, offering a robust 16" M4 contour that balances weight and stiffness for consistent accuracy at the range or in the field. This barrel is chambered for 5.56 NATO while also accepting .223 Remington, giving you versatility for a variety of loads. It features a 1/2-28 thread pattern, a 1:8 twist rate, and a carbine length gas system, optimizing gas flow and cycling performance with modern ammunition. The 0.750" diameter and a sleek matte black finish contribute to a rugged profile that pairs well with a wide range of uppers and handguards. At a compact 1.82 lbs, this barrel maintains favorable balance for handling, while its precise Chrome Moly construction enhances durability and wear resistance under demanding use. With dimensions of approximately 16.5" x 1" x 1", this Anderson barrel is designed to fit standard builds and deliver dependable performance for target shooting, plinking, or duty-minded rifle applications, all while maintaining an understated, practical aesthetic.