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| Manufacturer | Description | Link |
|---|---|---|
| Colt | Complete Colt serial number ranges | Open |
| Ithaca | Ithaca production serial ranges | Open |
| Remington Rand | Remington Rand serial ranges | Open |
| Union Switch & Signal | US&S production serial ranges | Open |
| Singer | Singer contract pistols | Open |
This website is an independent historical and collector reference resource for U.S. military M1911 and M1911A1 pistols.
This site is not affiliated with Colt, Ithaca, Remington Rand, Union Switch & Signal, Singer, the U.S. Government, the Department of Defense, CMP, or any firearms manufacturer.
All information is provided for educational, historical, and research purposes only.
Serial number data, production information, and identification references may contain errors or omissions and should not be considered authoritative.
Users are responsible for independently verifying all firearm information.
This website does not sell firearms, ammunition, or regulated firearm components.