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September 7, 2011, 06:55 PM | #1 |
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Join Date: September 12, 2008
Posts: 714
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How hard is it to shorten case body significantly
I'm thinking of playing around with a few wildcat ideas that I have, but as I am still fairly new to reloading I want to get a few more experienced opinions on how much of a project I am in for.
I was thinking of using a WSM action I have for a 6.5mm of some sort, but as cases with this size head diameter are pretty scarce I am left with either a WSSM, SAUM, or WSM (in order of size 54gr, 73gr, 81gr) Anyway I was thinking that 62gr would be plenty of boiler room without being a crazy barrel burner (6.5x284 is about 66gr, and I was thinking in a higher pressure case like the ones I am talking about I could probably match its performance with slightly less powder, and without needing to change actions or bolts in the rifle I already have) SO Finally to my question How hard would it be to shorten the body of a SAUM case? and what about the much larger reduction that a WSM would require, would that still be doable? And what would be the set up to go about it?? |
September 7, 2011, 07:16 PM | #2 |
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Join Date: December 1, 2002
Posts: 2,832
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Most anything is doable if the head sizes are the same and you have the dies to accomplish it. If it's a known wildcat you can get forming and loading dies from CH4D. If you plan to do your own design you need to get a reamer maker to make reamers for the requried dies. After that it's easy, lube the cases and push them in and they get formed. Anneal the necks, trim the excess length, turn the necks to what ever is needed and you're done.
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September 8, 2011, 11:58 AM | #3 |
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Join Date: April 20, 2009
Location: Helena, AL
Posts: 4,413
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Just neck down the 7WSM. It'll be overbore like the 264WM, but you won't have trouble hitting 3000 with 140s.
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September 10, 2011, 09:07 AM | #4 |
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Join Date: November 8, 2007
Posts: 2,001
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Significantly shortening cases with a case trimmer is a pain. It is easier to get a "trim die" made for your cartridge and use a saw to trim-off most of the excess length, then finish with a case trimmer. That is what I do to make .30 Herrett cases from .30-30 Winchester (and other) cases.
I suppose that a powered trimmer with a carbide cutter might work as fast, but I don't have one to check-out that speculation. I do know for a fact that a hand-powered trimmer with a regular steel cutter isn't nearly as fast. SL1 |
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