This DNZ Scope Mount - Browning X-Bolt SA has long- and short-action ability. It also has the capability of super short action. This mount is made to fit right-hand firearms and is crafted from high-grade solid aluminum that is 67% lighter than comparable steel mounts. There are no moving parts between the firearm and the scope, and this mount can withstand extremes in temperatures better than steel mounts. The DNZ Scope Mount - Browning X-Bolt SA is manufactured in the USA and made for a custom fit.