Daniel Defense 0707809136018 DD Barrel 5.56x45mm NATO 16" Black Phosphate Finish 4150 Chrome Moly Vanadium Steel Material Midlength with Lightweight Profile for AR-15

Overview

The Daniel Defense 16-inch 5.56x45mm NATO barrel is cold hammer-forged from Mil-Spec 4150 Chrome Moly Vanadium steel. This forging process uses hydraulic pressure and a precision mandrel to create a defect-free bore with consistent lands, grooves, and chamber geometry. The barrel features a lightweight profile, making it suitable for versatile AR-15 builds, and is finished with a Mil-Spec heavy phosphate coating. The chamber and bore are chrome-lined for enhanced wear and corrosion resistance. Designed with a mid-length gas system, the barrel includes an A4 extension with M4 feed ramps to ensure reliable feeding. Each barrel undergoes magnetic particle inspection (MPI) to ensure quality. It features a 1:7" rifling twist, which is optimized for stabilizing medium-to-heavy projectiles, and is fully compatible with commercial and mil-spec ammunition.

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