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Colt serial numbers

hksrule
I recently acquired a Colt Sp1 Carbine with serial number SP154xxx. According to this site:(http://www.biggerhammer.net/ar15/ar15serial.html), is it from 1975 or 1978. If not either of those what year is it. Thanks


Anybody comes through that door, you put two in the chest and one in the head!
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8 comments

Date Votes
  • hksrule
    Does anyone know of a reputable list of preban colt (ar) serial numbers? I have an offer to buy one that is "preban" but I can't verify the number on any list that I can find as yet, and Colt does nothing but put me on hold.

    thanks for the help
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  • hksrule
    Nobody knows?


    Anybody comes through that door, you put two in the chest and one in the head!
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  • hksrule
    Wa hoppon?

    Anybody comes through that door, you put two in the chest and one in the head!
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  • tomh.
    According to Wilson's chart, SP154XXX = 1981
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  • hksrule
    I dont understand how you got that number as 1981 is not on the entire chart.

    Anybody comes through that door, you put two in the chest and one in the head!
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  • tomh.
    coltnumbers.jpg
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  • nmyers
    It sounds about right to me; I bought SP189873 new from the distributor in 1983.

    Neal
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  • hksrule
    What I dont understand is how to tell from the chart provided in the link above or from the info on ar15.com...they are the same chart. How does one find that its 1981 based on the chart that never mentions 1981?

    Anybody comes through that door, you put two in the chest and one in the head!
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