Odin Works AR Barrels Features The Odin Works Barrel is purpose built for blowback AR9 pistols delivering a medium profile design that balances weight and rigidity for a 9mm pistol-caliber carbine or pistol build. Its 10.5 inch length with a 1:10 inch twist rate is matched to common 9mm bullet weights for stable accurate flight downrange. A stainless steel construction resists corrosion while offering a smooth consistent bore finish that supports reliable feeding and extraction in a blowback action. The threaded 1/2x28 muzzle allows shooters to add a compensator flash hider or suppressor adapter to tune the gun s handling characteristics. This barrel is compatible with both Colt and Glock pattern lower receivers giving builders flexibility when sourcing parts for a 9mm AR pistol project. That cross-platform compatibility makes it a practical option whether replacing a worn barrel or building a complete upper from scratch. The stainless finish also simplifies cleaning and maintenance after range sessions since fouling wipes away more easily than on some coated barrels. For any 9mm AR9 builder looking for a reliable properly twisted replacement barrel this Odin Works option is a solid foundation for the build. Odin Works AR Barrels Specifications Manufacturer: Odin Works Caliber: 9mm Barrel Length: 10.5 Twist Rate: 1:10 Finish: Stainless Thread Pitch: 1/2x28 Compatible Hosts: Colt / Glock Pattern Lowers Available At: GrabAGun