I don't know anything about the rifle maker but I use a .22WMR when calling, it is a great calling rifle because it knocks dogs right down and isn't so loud that it will scare off all other dogs in the neighborhood! and don't listen to all the whiners who insist that rimfires are no good, some people can quote from their reloading manuals but have no real world experience with rimfires, when used correctly a .22WMR is as good a calling caliber as any!!