I'm certain you could possibly utilize them, likely with no problems, but in a very 300 wm, I would Individually try to discover some Federal GM215M primers, or large rifle magnum gold medal match primers, especially if you hunt in cold problems. Ich hab auch Sachen gehört die ich nicht https://ccizndhtchen08360.isblog.net/zündhütchen-small-pistol-magnum-for-dummies-48782438