Diamondback Barrels Rifle Barrel for AR-15 – 5.56 NATO, 16 Inch Length, 1:9 Twist (556C16M50B9)

• Rifle barrel chambered in 556 NATO designed for AR 15 platform rifles
• Sixteen inch barrel length with carbine length gas system configuration
• One in nine twist rate supports a range of projectile weights
• Medium profile barrel provides balance between weight and durability
• Nitride finish enhances corrosion resistance and surface hardness
• Threaded muzzle supports attachment of compatible muzzle devices

The Diamondback Barrels Medium Profile Barrel 556NATO 16″ is a rifle barrel designed for AR-15 rifles chambered in 556NATO.

The Diamondback Barrels Medium Profile Barrel 556NATO 16″ features a 16 inch length with a 1:9 twist rate and carbine length gas system. It includes a nitride finish and a medium profile contour for standard AR-15 configurations. This product is used for rifle assembly or replacement in platforms requiring 556NATO compatibility. The barrel is finished in black and designed for integration with AR-15 upper receivers using common gas system layouts. In normal operation, the carbine length gas system supports standard cycling configurations. The Diamondback Barrels Medium Profile Barrel 556NATO 16″ provides defined barrel length, twist rate, and finish for AR-15 builds requiring a 16 inch configuration.