NitroX
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| (.700 member) |
| 17/08/19 06:40 PM |
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Re: Cogswell & Harrison .242 Vickers
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I wonder if the .242 and .255 calibre differences is like the .303 and .312 bore differences in naming? And .318 and .330? Using lands width rather than bore calibre.
Or something like that.
