09-22-2022, 10:25 AM
https://hodgdonreloading.com/accurate/accurate-2520r
Max charge was 29.5 / 29.6 grains
Something else happened if your case head opened up. This was an 80KPSI+ event (more like 120KPSI)! Wrong powder, wrong bullet, obstructed barrel, massive over-charge, something major happened. You don't need to simply drop your charge by a single grain.
Do you have any velocity measurements?
Re-weight your powder charges in your cases as you take them apart. Put the same powder back in your powder measure and re-weigh the charges.
Max charge was 29.5 / 29.6 grains
Something else happened if your case head opened up. This was an 80KPSI+ event (more like 120KPSI)! Wrong powder, wrong bullet, obstructed barrel, massive over-charge, something major happened. You don't need to simply drop your charge by a single grain.
Do you have any velocity measurements?
Re-weight your powder charges in your cases as you take them apart. Put the same powder back in your powder measure and re-weigh the charges.