All things considered, many of them are mainly custom made however you can nevertheless get wsm from any rifle maker. Basically, by way of example, It will be like if Peterson and Starline are ready to make 280 Remington, but not 270. Just venting, does not seem sensible me. Thanks https://300wsmbrass79011.blogzet.com/the-5-second-trick-for-300wsm-brass-41097905