FB67 Report post Posted November 15, 2015 I have a 300 WBY ammo and cases in South Tempe elliot and Kyrene Share this post Link to post Share on other sites
MattMan Report post Posted November 15, 2015 Firing a 300 WM in a Weatherby chamber will have no ill effect other than blowing out the case to the Weatherby dimensions, or whatever other dimensions are there. Should be pretty obvious what you've got after that. Share this post Link to post Share on other sites