Diamondback 556C16M50B8 16" Carbine Barrel

Diamondback 16" Carbine Barrel – 5.56 NATO

This is a straightforward, quality barrel for the shooter who wants to complete an AR-15 build or refresh an existing rifle with proven components.

Key Features

• Caliber: 5.56 NATO (.223 Remington compatible)
• Length: 16 inches – ideal for carbine-length gas systems
• Gas System: Carbine-length for reliable cycling
• Material: 4150 Chrome Moly Vanadium steel
• Finish: Black nitride for corrosion resistance and durability

Why This Barrel Works

The 4150 CMV steel is a time-tested material in the AR platform. It offers the strength needed for reliable performance across a wide range of ammunition types. The black nitride finish protects against rust and wear while maintaining a professional appearance.

At 16 inches, this barrel strikes a practical balance between velocity and handling. Paired with a carbine-length gas system, it delivers consistent performance whether you're building a new rifle or upgrading an existing one.

This is the kind of no-nonsense component that lets you focus on shooting rather than worrying about your barrel.