M1911 Serial Numbers
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| Year | Serial Range | Manufacturer | Quantity | Special Notes | Manufacturer | Annual Production | Year |
| 1912 | 1-500 | Colt | 500 | ‘1912 | |||
| 1912 | 501-1000 | 500 | USN | ‘1912 | |||
| 1912 | 1001-1500 | Colt | 500 | ‘1912 | |||
| 1912 | 1501-2000 | Colt | 500 | USN | ‘1912 | ||
| 1912 | 2001-2500 | Colt | 500 | ‘1912 | |||
| 1912 | 2501-3500 | Colt | 1,000 | USN | ‘1912 | ||
| 1912 | 3501-3800 | Colt | 300 | USMC | ‘1912 | ||
| 1912 | 3801-4500 | Colt | 700 | ‘1912 | |||
| 1912 | 4501-5500 | Colt | 1,000 | USN | ‘1912 | ||
| 1912 | 5501-6500 | Colt | 1,000 | Colt | 17,250 | ‘1912 | |
| 1912 | 6501-7500 | Colt | 1,000 | USN | ‘1912 | ||
| 1912 | 7501-8500 | Colt | 1,000 | ‘1912 | |||
| 1912 | 8501-9500 | Colt | 1,000 | USN | ‘1912 | ||
| 1912 | 9501-10500 | Colt | 1,000 | ‘1912 | |||
| 1912 | 10501-11500 | Colt | 1,000 | USN | ‘1912 | ||
| 1912 | 11501-12500 | Colt | 1,000 | ‘1912 | |||
| 1912 | 12501-13500 | Colt | 1,000 | USN | ‘1912 | ||
| 1912 | 13501 – 17250 | Colt | 3,750 | ‘1912 | |||
| 1913 | 17251-36400 | Colt | 19,150 | 1913 | |||
| 1913 | 36401-37650 | Colt | 1,250 | USMC | 1913 | ||
| 1913 | 37651-38000 | Colt | 350 | 1913 | |||
| 1913 | 38001-43800 | Colt | 5,800 | USN | Colt | 43,150 | 1913 |
| 1913 | 43801-43900 | Colt | 100 | USN USS New York | 1913 | ||
| 1913 | 43901-44000 | Colt | 100 | USN USS Texas | 1913 | ||
| 1913 | 44001-60400 | Colt | 16,400 | 1913 | |||
| ‘1914 | 60401-72570 | Colt | 12,170 | 1914 | |||
| ‘1914 | 72571-81750 | Springfield Armory | 9,180 | 1914 | |||
| ‘1914 | 83856-83900 | Colt | 45 | 1914 | |||
| ‘1914 | 83901-84400 | Colt | 500 | USMC | Colt | 30,911 | 1914 |
| ‘1914 | 84401-96000 | Colt | 11,600 | Springfield Armory | 3,030 | 1914 | |
| ‘1914 | 96001-97537 | Colt | 1,537 | USN | 1914 | ||
| ‘1914 | 97538-102596 | Colt | 5,059 | 1914 | |||
| 1915 | 81751-83855 | Springfield Armory | 2,105 | 1915 | |||
| 1915 | 102597-107596 | Springfield Armory | 5,000 | 1915 | |||
| 1915 | 107597-109500 | Colt | 1,904 | 1915 | |||
| 1915 | 109501-110000 | Colt | 500 | USN MILITIA | Colt | 10,900 | 1915 |
| 1915 | 110001-113496 | Colt | 3,496 | Springfield Armory | 15,359 | 1915 | |
| 1915 | 113497-120200 | Springfield Armory | 6,604 | 1915 | |||
| 1915 | 120567-125566 | Colt | 5,000 | 1915 | |||
| 1916 | 120201-127130 | Springfield Armory | 6,930 | Colt | 4,214 | 1916 | |
| 1916 | 133187-137400 | Colt | 4,214 | Springfield Armory | 4,966 | 1916 | |
| 1917 | 127131-127978 | Springfield Armory | 848 | 1917 | |||
| 1917 | 137401-151186 | Colt | 13,786 | 1917 | |||
| 1917 | 151187-151986 | Colt | 800 | USMC | 1917 | ||
| 1917 | 151987-185800 | Colt | 33,814 | 1917 | |||
| 1917 | 185801-186200 | Colt | 400 | USMC | 1917 | ||
| 1917 | 186201-209586 | Colt | 23,386 | Colt | 79,586 | 1917 | |
| 1917 | 209587-210386 | Colt | 800 | USMC | Springfield Armory | 2,412 | 1917 |
| 1917 | 210387-215386 | Reserved | 5,000 | Receiver Repair | 1917 | ||
| 1917 | 215387-216186 | Colt | 800 | USMC | 1917 | ||
| 1917 | 216187-216586 | Colt | 400 | 1917 | |||
| 1917 | 216587-216986 | Colt | 400 | USMC | Colt total 1912 through 1917: 186,011 | 1917 | |
| 1918 | 216987-217386 | Colt | 400 | USMC | ‘1918 | ||
| 1918 | 217387-223952 | Colt | 6,566 | ‘1918 | |||
| 1918 | 223953-223990 | Colt | 38 | USN | ‘1918 | ||
| 1918 | 223991-232000 | Colt | 8,010 | Colt | 363,614 | ‘1918 | |
| 1918 | 232001-233600 | Colt | 1600 | USN | Remington-UMC | 13,381 | ‘1918 |
| 1918 | 233601-580600 | Colt | 347,000 | ‘1918 | |||
| 1918 | 1-13381 | Remington Arms-UMC | 13,381 | ‘1918 | |||
| 1919 | 13381-21676 | Remington Arms-UMC | 8,295 | Remington-UMC | 8,295 | 1919 | |
| 1919 | 580601-629500 | Colt | 48,900 | Colt | 48,900 | 1919 | |
| 1919 | 629501-717386 | Colt | Suspended | 1919 | |||
| Total US Navy | 17,475 | Total M1911 Production 645,968 | Colt | 598,525 | |||
| Total USMC | 5,650 | Springfield Armory | 25,767 | ||||
| Remington-UMC | 21,676 | ||||||