Quote:
Originally Posted by Engineer1911
My discussion point: How does primer condition give pressure warnings for .30-30 and .45-70 loads when .30-30 chamber pressure is ~1/2 and .45-70 is ~1/3 that of 7 mm Mag or .270 Win? I ask this in the context of a new reloader trying to comprehend the wealth of information available in a few keyboard clicks, while trying to make "safe" reloads. I consider myself informed about reloading, but not an expert.
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The appearance of the primer will allow you to compare your handloads to factory ammo that used the same brand primer. Primer condition alone is not that great, at telling you how safe your loads are. Especially loading the calibers you mention. Primer appearance in a 7 mag. load could be idendical to that in your 30-30 loads. This could mean some awfully wimpy 7 mag. loads or some dangerous .30-30 loads, even though the primers looked the same.
Like I said, use primer appearance to compare to known, factory loads.