The Odin Works .300 Blackout 8-Inch Pistol Barrel is a black nitride AR barrel for short, compact .300 Blackout builds (brand part no. B-300-8-P-TG-BLK). Odin Works machines it from 416 stainless steel and button rifles it with a 1:8 twist, the rate that stabilizes heavy subsonic bullets. A pistol-length gas system matches the short barrel, and Odin Works says it is built to run any ammunition you put through it. The muzzle is threaded 5/8-24 and the extension carries M4 feed ramps. At 15.9 ounces, it keeps an AR pistol light and short, which is where .300 Blackout makes the most sense.

Key Specifications

• The chambering is .300 AAC Blackout, a cartridge that keeps its energy from short barrels.
• Barrel length is 8 inches, sized for compact AR pistol builds.
• Weight is 15.9 ounces, per Odin Works.
• Gas system length is pistol, matched to the short barrel for reliable cycling.
• Twist rate is 1:8, which stabilizes heavy subsonic bullets.
• Rifling is button rifled for consistent bore dimensions.
• Material is 416 stainless steel, chosen for accuracy and corrosion resistance.
• The extension has M4 feed ramps for dependable feeding.
• The muzzle is threaded 5/8-24, ready for .30 caliber muzzle devices.
• The finish is black nitride, a hard, corrosion-resistant surface treatment.

Frequently Asked Questions

Will it run subsonic ammunition? Odin Works pairs the 8-inch barrel with a pistol-length gas system and says it is built to run any ammunition you put through it, and the 1:8 twist stabilizes heavy subsonic bullets.

What muzzle thread does it have? It is threaded 5/8-24, the common pitch for .30 caliber brakes and flash hiders.

What is it made of? It is 416 stainless steel, button rifled and finished in black nitride.

Buy the Odin Works .300 Blackout 8-Inch Pistol Barrel, Black Nitride

Short .300 Blackout barrels are only worth building on when they cycle reliably, and this one pairs the right gas length with the right twist for the job. Order it with our other AR barrels from our Lubbock, Texas gun shop for fast direct shipping.