Diamondback DB Barrel 5.56 NATO 16-inch Mid-Length Nitride

Description

The Diamondback DB Barrel is a 16-inch AR-platform barrel chambered for .223 Remington/5.56 NATO. Built from 4150 chrome moly vanadium steel, it uses a mid-length gas system and a medium contour profile suited to balanced handling and reliable cycling. The barrel is finished in black nitride and employs a 1:8 rate of twist for broad bullet stabilization. Threaded 1/2 x 28, button-rifled with a 5-groove bore, and fitted with M4 feed ramps and an 11° target crown, it is intended for standard AR builds and barrel replacements.

Key Specifications

• Chambered for .223 Rem/5.56 NATO.
• The barrel measures 16 inches overall length.
• Designed with a mid-length gas system for moderated recoil impulse and timing.
• Features a medium contour profile for a balance of weight and rigidity.
• Constructed from 4150 Chrome Moly Vanadium (CMV) steel.
• Finished with a black nitride coating for surface hardness and corrosion resistance.
• Rate of twist is 1:8.
• Thread pattern is 1/2 x 28 for common muzzle devices.
• Button-rifled 5-groove bore with an 11° target crown.
• Includes M4 feed ramps for improved chambering of AR magazines.

Whether completing a standard AR build or replacing a worn barrel, this Diamondback 16-inch mid-length barrel provides a practical combination of durability, handling, and component compatibility. Its medium profile and mid-length gas system suit a range of general-purpose shooting applications, and the nitride finish with CMV construction supports long-term service life.