The Rival Arms RA20G412A 9mm Luger conversion barrel for Glock 22 Gen3-4 combines match-grade precision with rugged 416R stainless steel CNC-machined construction, delivering outstanding accuracy and durability with a 4.49" length, black vacuum PVD finish, and distinctive fluting for reduced weight and heat management. Featuring a 1:10 twist with 6-groove rifling, this conversion barrel is designed for reliable performance round after round, while the BORSLICK Boron Nitride DCD inner bore treatment minimizes heat and carbon buildup for consistent shots. Its target crowned muzzle enhances precision and concentricity, and the 1/2-28 threading provides seamless compatibility with aftermarket accessories such as suppressors and compensators, expanding your shooting options. Each RA20G412A is CNC-machined from premium 416R stainless steel billet to maximize corrosion resistance and durability, and is individually hand inspected for accuracy to ensure you receive a high-quality barrel that rivals custom work. No gunsmithing is required to install, and Rival Arms supports the product with a limited lifetime warranty, making this conversion barrel a reliable upgrade for Glock 22 enthusiasts seeking enhanced precision and performance.