remcraz
Well-Known Member
This might be the dumbist question on this site but I have a lot of 7mm rum brass. The question is can I size it into 300 rum or is that to much stretch
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7mm rum into 300 rum
- Thread starter remcraz
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Lefty7mmstw
Well-Known Member
half of my 300 rum brass is actually 7 rum brass. You may have a few necks crack on the first firing. I suppose annealing could help with that.
