Martin,
Diz makes a good point, the punch I made was shaped, specifically , to avoid the flash hole. I hardened the punch, when I was swaging the rims onto the 7mm mag cases( this required much more pressure), but I'm not at all sure it would be required to just move 45-70 rims forward. Just to make things a little easier, I turned a shallow groove into the solid part of the head, just ahead of the rim(the width of a cutoff tool or narrower) and made sure the diameter of the inside depression was a few thousandths larger than the case head. These things may be self evident, so don't feel insulted that I mentioned them, the intention was to be helpful.
Mike
Diz makes a good point, the punch I made was shaped, specifically , to avoid the flash hole. I hardened the punch, when I was swaging the rims onto the 7mm mag cases( this required much more pressure), but I'm not at all sure it would be required to just move 45-70 rims forward. Just to make things a little easier, I turned a shallow groove into the solid part of the head, just ahead of the rim(the width of a cutoff tool or narrower) and made sure the diameter of the inside depression was a few thousandths larger than the case head. These things may be self evident, so don't feel insulted that I mentioned them, the intention was to be helpful.
Mike
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