Odin Works Barrel Features The Odin Works 9mm pistol barrel is engineered specifically for blowback-operated AR9 platform builds a design that places unique demands on barrel geometry compared to a direct impingement or short-stroke piston system. At 7.5 in length with a 1:10 twist rate this medium profile barrel is sized to stabilize common 9mm Luger bullet weights while keeping the overall pistol length manageable. The barrel is threaded on standard 1/2x28 threads allowing the attachment of a compensator flash hider or suppressor for additional versatility. This threading gives builders the flexibility to customize their pistol s muzzle device setup to match their intended use. Built to work with either Colt or Glock magazine-compatible lower receivers this barrel offers broad compatibility across the most popular AR9 magazine well configurations on the market. Odin Works designed this barrel specifically for blowback AR9 builds ensuring correct headspacing and chamber dimensions for reliable cycling. A stainless steel construction provides corrosion resistance and a long service life under repeated firing. For AR9 pistol builders in need of a dependable properly specified 9mm barrel this Odin Works 7.5 barrel is available for sale at GrabAGun. Odin Works Barrel Specifications Manufacturer: Odin Works Model: Barrel Caliber: 9mm Barrel Length: 7.5 Twist Rate: 1:10 Finish: Stainless Threaded Barrel: Yes Compatible Hosts: Colt or Glock Pattern AR9 Lowers Available At: GrabAGun