Ruler Mark IV Barrels: Interchangeability, Compatibility, and Upgrade Options
Yes, Ruger Mark IV barrels are interchangeable between all Mark IV lowers and uppers, including 22/45 models. The bolts fit easily, but grips and magazines do not. Users can mix and match parts for different setups. Always check for proper fitting to ensure compatibility and maintain accuracy and performance. Upgrading to Ruler Mark IV barrels … Read more