300 WSM, 300 WM, and 300 Wby Mag H2O case capacity?

[stanley52]

Ok so Noslers data has these cartridges with h2o case capacities significantly lower than other numbers being thrown around the internet. Can anyone shed light on what the real numbers are for any if these cartridges or just any info in general to point me in the right direction? Thanks.

 

[gewehr]

Nosler lists the h2O capacity of the case with the particular bullet listed seated to saami length not the overfill capacity


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