The Excel Accelerator Rifle MR-22 is a .22 Magnum semi-automatic rifle produced by Excel Arms. The MR-22 is known for its lightweight design and accuracy. It features a 9-round magazine capacity and is chambered for the .22 Magnum rimfire cartridge, also known as .22 WMR (Winchester Magnum Rimfire).The Excel Accelerator Rifle MR-22 is often praised for its reliability and ease of handling. It is designed for various applications such as target shooting, plinking, and small game hunting. The lightweight construction and ergonomic design make it comfortable to shoot for extended periods.

Please note that specific details or specifications may vary based on different versions or models of the Excel Accelerator Rifle MR-22, as manufacturers may introduce updates or modifications over time. It’s always a good idea to refer to the manufacturer’s official documentation or website for the most accurate and up-to-date information about a particular firearm.