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Colt 1911 serial identification
clays
Member Posts: 1,924 ✭✭✭✭
Would it be correct to assume that a Colt 1911 lower frame that has a serial number beginning with SM was originally a .22 ace?
Comments
"COLT SERVICE MODEL ACE .22 LR PRODUCTION
Date Serial Number
Comments
1935 SM1 - SM9 Blued finish
1936 SM10-SM85
1937 SM35-SM640
1938 SM490-SM1260
1939 SM850-SM1560
1940 SM900-SM1587
1941 SM1588-SM2714
1942 SM2715-SM3836 Large gaps in production
SM3837-SM3839 Scrapped or Not manuf.
SM3840-SM3843 Colt's Shipping Dept.
SM3844-SM3845 No record
1945 SM3846-SM13803 Parko-Lubrite finish."
Usually.
Mine is numbered 70B like a .45 and is not the only one.
I have seen reliable reports that they also sold some .45s with SM numbers. The frames are mechanically the same and apparently they were not real careful about which caliber they put on what number format frame.