7mm wsm

baydog

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Jan 11, 2014
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228
Hello
Does anyone know if 7mm wsm cases or brass be made from another caliber? Having trouble finding brass for 7mm wsm..
Thanks
Scotty
 
Hello
Does anyone know if 7mm wsm cases or brass be made from another caliber? Having trouble finding brass for 7mm wsm..
Thanks
Scotty

The COAL on all of the WSM cases are the same In SAMMI But the neck shoulder junction is Different because of bore size if the neck. But If you can find some 300 WSMs or 325 WSM cases
they can be sized down to the correct 7mm length and fire formed for best results. you might be able to size the necks up on 270 WSM brass. (I have not tried it).


J E CUSTOM
 
The easiest thing is to buy some loaded ammo and pull the bullets. You can find loaded ammo for under $2.00 per round.

Since the 7mm has a longer body than any of the others, using any other brass will require fire forming.
 
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