See pics. It was still snug on the muzzle. I check that before each 3 round group. Happened on 12th shot of the day. Was working great on taming a 300 WM.
Ideas on how to check the threads and shoulder for square without pulling the barrel????

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But as for me and my house we will serve the Lord. Joshua 24:15
I can do all things through Christ who strengthens me. Phil. 4:13

I DON'T NEED A WSM AS I HAVE A WEATHERBY!