M-1911 Colt Commercial Production Dates (other calibers)

Colt Model M-1911 .38 Super

YEAR SERIAL NUMBER
1972 70S03801
1973 70S06501
1974 70S07852
1975 70S09051
1976 70S20000
1977 70S20201
Kindly contributed by Scott Tew, November 1996.

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M-1911 9mm Commercial

YEAR SERIAL NUMBER
1972 70L02601
1973 70L03401
1974 70L04001
1975 70L04401
1976 70L06001
1977 70L08320
1978 70L11201

Kindly contributed by Scott Tew, November 1996.

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Ace Model .22

YEAR SERIAL NUMBER
1931 1
1932 4000
1933 4400
1934 4972
1935 5950
1936 6150
1937 7150
1938 9000
1939 9550
1940 10250
1941 10500
1947 10790-10918+(10935)

Kindly contributed by Scott Tew, November 1996.

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Service Model Ace .22

YEAR SERIAL NUMBER
1935 SM1
1936 SM10
1937 SM50
1938 SM491
1939 SM453-SM1119
1940 SM901-SM952(SM1120)
1941 SM1550
1942 SM2715
1945 SM3725-SM13803(some gaps)

Kindly contributed by Scott Tew, November 1996.

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.22-.45 Conversion Kit

YEAR SERIAL NUMBER
1938 U1
1939 U400
1940 U900
1941 U1100
1942 U1400
1943 U1701-U1750
1946 U2001-U2670

Kindly contributed by Scott Tew, November 1996.

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.45-.22 Conversion Kit

YEAR SERIAL NUMBER
1938 U1
1939 U18
1940 U61
-1941 to U112

Kindly contributed by Scott Tew, November 1996.

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