Quote Originally Posted by Wilbur View Post
I don't think anything is wrong with the rifle...just some poor choices of reloads. I'd start anew with brand new factory loads and see what happens. Of course, the very best thing to do is take the rifle to a competent gunsmith to determine if the chamber is "right"....and the barrel has the proper bore size.
Some were factory loads. The cases that developed gas ports were all F C headstamp.