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The case of the 8x56 MS is a little bit slimmer than the 8x57. Difference at rim: 0,1 mm, at base: 0,15 mm. A little bit academic but...


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I'm forming my cases from 8X57 Mauser, resized and trimmed to length. The Winchester brass I'm using is slightly smaller in all dimensions to the print here.


Roy B
Dartmouth, MA
www.rvbprecision.com