Detail image of what barrel markings you might expect to see on a Colt M1911 barrel in the serial number range of 450,000 to 710,000.

Colt M1911 Barrel Markings
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Detail image of what barrel markings you might expect to see on a Colt M1911 barrel in the serial number range of 450,000 to 710,000.
Colt M1911 Barrel Markings
Comments, suggestions, contributions? Let me know