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Thread: Difference between 7mm wsm and 7mm-08
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Old 12-14-2015 | 05:09 PM
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Big Uncle
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These are completely different cases. The WSM case holds quite a bit more powder than the 7mm-08 does. The WSM case has a rim of .535" and a length of 2.100", while the 7mm-08 has a rim of .473 and a length of 2.035.

This is not at all like the differences between a .223 and a 5.56.
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