Diamondback Firearms Rifle Barrel for AR Rifles – .223 Remington/5.56 NATO, 16 Inch Length, 1:8 Twist (556M16M50B8R)

• Rifle barrel chambered in 223 Remington and 556 NATO for AR rifles
• Sixteen inch barrel length with mid length gas system configuration
• One in eight twist rate supports stabilization of various bullet weights
• Constructed from 4150 chrome moly steel with black nitride finish
• Threaded 1/2x28 muzzle supports attachment of compatible muzzle devices
• Features medium contour profile with button rifled 5R rifling design

The Diamondback Firearms Barrel 223 Remington/556NATO 16″ is a rifle barrel designed for AR rifles chambered in 223 Remington and 556NATO.

The Diamondback Firearms Barrel 223 Remington/556NATO 16″ features a 16 inch length with a 1:8 twist rate and mid length gas system. It is constructed from 4150 chrome moly steel with a black nitride finish and threaded 1/2 x 28 at the muzzle. This product is used for AR rifle builds requiring dual caliber compatibility with standard gas system alignment. The barrel includes button rifled 5R rifling and M4 feed ramps for compatibility with common AR components. In standard configurations, the medium contour profile supports balanced integration. The Diamondback Firearms Barrel 223 Remington/556NATO 16″ provides defined material, threading, and gas system specifications for AR platform assembly.