Colt 1911 serial identification

clays

October 29, 2010 11:43

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?

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  rufe-snow

  October 29, 2010 12:14

  Got this off the net. Of course this is for the original production SM's from Colt, not the ones they started knocking out in the late 70's.
  
  "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."

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  Hawk Carse

  October 29, 2010 12:37

  The "reissue" ACE in the 1970s also had a SM serial number prefix.
  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.

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