This is a diagram of probable barrel markings on a Colt M1911 pistol. This covers the serial numbers of 710,000 to the end of production.

Colt M1911 Barrel Markings
Comments, suggestions, contributions? Let me know
This is a diagram of probable barrel markings on a Colt M1911 pistol. This covers the serial numbers of 710,000 to the end of production.
Colt M1911 Barrel Markings
Comments, suggestions, contributions? Let me know