I'm certain you could use them, almost certainly without any issues, but in a three hundred wm, I would personally attempt to search out some Federal GM215M primers, or large rifle magnum gold medal match primers, particularly if you hunt in cold situations. Die Entschuldigung mit dem IPSC nehme ich https://z-ndh-tchen-large-pistol51507.ttblogs.com/11112408/about-winchester-large-rifle