| Colt
Official Police Production Information in same serial number range as Army Special also Mk III series, Lawman, Metropolitan, Officers Model Match and Trooper |
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| Year | Serial Number Range | Year | Serial Number Range |
| 1927 | 513216-539999 | 1953 | 825300-830549 |
| 1928 | 540000-542999 | 1954 | 830550-836799 |
| 1929 | 543000-559499 | 1955 | 836800-842999 |
| 1930 | 559500-568999 | 1956 | 843000-850999 |
| 1931 | 569000-572999 | 1957 | 851000-861299 |
| 1932 | 573000-579999 | 1958 | 861300-863599 |
| 1933 | 580000-585999 | 1959 | 863600-869999 |
| 1934 | 586000-591999 | 1960 | 870000-876999 |
| 1935 | 592000-595999 | 1961 | 877000-881899 |
| 1936 | 596000-601999 | 1962 | 881900-888499 |
| 1937 | 602000-621999 | 1963 | 888500-893499 |
| 1938 | 622000-628999 | 1964 | 893500-897999 |
| 1939 | 629000-640999 | 1965 | 898000-905099 |
| 1940 | 641000-651999 | 1966 | 905100-914499 |
| 1941 | 652000-678999 | 1967 | 914500-920999 |
| 1942 | 679000-684999 | 1968 | 921000-926499 |
| 1943 | 685000-709999 | 1969 | 926500-928163 J1001-J8600 |
| 1944 | 710000-721999 | 1970 | J8601J50200 |
| 1945 | 722000-724999 | 1971 | J50201-J72200 End Officers Model Match |
| 1946 | 725000-731100 | 1972 | J72201-J98800 01001J-01600J |
| 1947 | 731101-739499 750001-751299 |
1973 | J98801-J100000 01601J-28800J |
| 1948 | 739500-748000 751300-753199 |
1974 | 28801J-31999J 42000J-47100J |
| 1949 | 748001-748207 753200-753316 755001-755883 762201-763350 770001-776499 |
1975 | 47101J-88100J |
| 1950 | 776500-830549 | 1976 | 88101J-99998J L1001-L38900 |
| 1951 | 830550-818199 | 1977 | L38901-L78500 |
| 1952 | 818200-825299 | 1978 | L78501-L99998 1001L |