| Model 1911 Commercial & 1st Mod N.M. .45 | |
| Year | Serial Number |
| 1912 | C1 |
| 1913 | C1900 |
| 1914 | C5400 |
| 1915 | C16600 |
| 1916 | C27600 |
| 1917 | C75000 |
| 1918 | C99000 |
| 1919 | C106000 |
| 1920 | C121000 |
| 1921 | C127000 |
| 1922 | C129000 |
| 1923 | C134000 |
| 1924 | C135000 |
| 1925 | C140000 |
| 1926 | C145000 |
| 1927 | C151000 |
| 1928 | C152000 |
| 1929 | C155000 |
| 1930 | C156000 |
| 1931 | C159000 |
| 1932 | C161000 |
| 1933 | C164800 |
| 1934 | C174600 |
| 1935 | C178000 |
| 1936 | C179800 |
| 1937 | C183200 |
| 1938 | C188700 |
| 1939 | C189600 |
| 1940 | C198900 |
| 1941 | C199300 |
| 1942 | C208800-C215018 |
| 1946 | C221001 |
| 1947 | C222001 |
| 1948 | C232000 |
| 1949 | C238501 |
| 1950 | C240001 |
| 1950 | 240228C |
| 1951 | 247701C |
| 1952 | 253180C |
| 1953 | 259550C |
| 1954 | 266350C |
| 1955 | 270550C |
| 1956 | 272550C |
| 1957 | 276700C |
| 1958 | 282000C |
| 1959 | 283800C |
| 1960 | 285800C |
| 1961 | 288000C |
| 1962 | 289850C |
| 1963 | 291300C |
| 1964 | 293800C |
| 1965 | 296000C |
| 1966 | 300300C |
| 1967 | 308500C |
| 1968 | 315600C |
| 1969 | 324500C |
| 1970 | 332650C-336169C |
| 1970 | 70G01001 |
| 1971 | 70G05551 |
| 1972 | 70G18001 |
| 1972 | X70N20801-X70N21020 (Nickel) |
| 1973 | 70G34401 |
| 1974 | 70G43001 |
| 1975 | 70G73001 |
| 1976 | 70G88901-70G99999 |
| 1976 | 01001G70 |
| 1977 | 13901G70 |
| 1978 | 45200G70 |