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Old 03-22-2010, 04:47 PM
WR Moore WR Moore is offline
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It's not unusual for military barrels to be unmarked for caliber. Everyone involved knew what the caliber was, and the military establishment was the only source of cartridges, so no real issue.

That someone didn't mark your barrel causes some concern. This may well have been a back yard gunsmithing operation that lacked the proper stamps. The suggestion about cases used as gauges was unfortunately common post-world wars. Improved cartridges were supposed to be crush fits (-0.004 inches) on standard ammunition so that they could be used if the improved ammo wasn't available. Note: supposed to be, doesn't mean is.

Last edited by WR Moore; 03-22-2010 at 04:50 PM.
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