Just wondering if anyone has had the same problems I have had with 45/70 brass. Mine after a half dozen loads seem to split right above the crimp line on the bottom of the bullet. What is the possibilities of trimming them back and making a 45/70 special sort of cases and using the Trail Boss 70% system for loading that round with a cast bullet. Your thoughts would be appreciated. Asking this on the basis of difficulty to get 45/70 brass. Thanks!