The Diamondback Firearms DBB 5.56mm NATO 16in mid-length AR-15 barrel is built for reliable performance with a 1:8 twist rate for common 5.56mm loads. It features a black nitride finish for enhanced corrosion and wear resistance, along with standard 1/2-28 muzzle threads for common AR muzzle devices.

Key features

• 5.56mm NATO chambering for AR-15 pattern builds
• Standard 1/2-28 muzzle threads for compatibility with typical AR muzzle devices
• Black nitride finish for improved corrosion resistance and durability
• 16in barrel length with a mid-length gas system
• 1:8 twist rate supports a wide range of 5.56mm projectile weights

Upgrade or complete your build with a purpose-made DBB barrel designed for AR reliability.