Diamondback Firearms DB Barrel 16in 5.56 NATO 1:8 Black Nitride

Description

This Diamondback Firearms DB Barrel is a 16″ carbine-length option for AR-15 builds and barrel replacements. Constructed from 4150 Chrome-Moly Vanadium steel and finished in black nitride, it is built for durability and consistent performance in general-purpose and range applications. The barrel features a 1:8 rate of twist and a button-rifled 5-groove bore with M4 feed ramps for reliable chambering. Its medium profile balances weight and rigidity for everyday use.

Key Specifications

• The barrel is chambered for .223 Rem / 5.56 NATO.
• The barrel measures 16 inches in length and is carbine-length in gas system design.
• The rifling uses a 1:8 rate of twist.
• Material is 4150 Chrome-Moly Vanadium steel.
• The surface treatment is a black nitride finish.
• The gas system is carbine-length.
• The contour is a medium profile.
• Barrel rifling is button-rifled with a 5-groove bore.
• Includes M4 feed ramps for enhanced feeding compatibility.

This barrel is an option for builders and technicians looking for a straightforward, serviceable carbine-length 16″ barrel that combines proven materials and straightforward features. With a focus on simple, durable construction and standard AR-15 compatibility, it is suited for range work and general-purpose shooting where reliable, predictable performance matters.

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