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Thread: Vintage of Colt .22 Conversion Unit

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  1. #1
    Join Date
    24th March 2006
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    Vintage of Colt .22 Conversion Unit

    I'm looking to see if anyone can pinpoint the era this Colt .22 Conversion Unit is from. I'm thinking late 60's-ish, but I'm not well versed on these. It's supposed to be in it's original box which looks like the woodgrain motif style. Thanks for your input.

    Colt Conversion Unit.jpg

  2. #2
    Join Date
    9th June 2004
    Location
    Alabama, US
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    I think you are right. I had a slightly later one with Elliason sight instead of Accro.

    It lacks the No 2 slide stop specific to the .22 caliber.

    It also lacks a recoil spring guide but that is not unusual. I think they varied over time, and were not always furnished as complete upper assemblies, you were expected to use parts from the centerfire as required.

  3. #3
    Join Date
    24th March 2006
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    Thanks Jim,
    I was aware of the missing slide stop but I didn't think that the barrel bushing and spring plug were included in this vintage of kit, but again I'm not that well versed on them.

  4. #4
    Join Date
    7th June 2004
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    Western Washington
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    No bushing, guide rod, or plug on post-war kits, though most that I've seen pictured in the last ten years will have had some or all added.
    What's the address on the other side of the slide? I've seen them with COLT'S MFG. CO., and COLT'S PAT. F.A.; the former is a '50s address that covered the transition from the earlier Coltmaster rear sight to the Accro.
    EGW makes #2 slide stops, if you can't find an original.
    "A grip safety is just another excess moving part. I have never known one to prevent an accident, and moreover, it is difficult to postulate a circumstance in which it might." Jeff Cooper

  5. #5
    Join Date
    24th March 2006
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    Thanks Rick,
    Im pretty sure that I've identified it as a mid 70's Conversion Unit. Thank you for the help.

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