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COLT AR 15

NOAH
I'm trying to find out what year my colt sp1 was made. Is there a list of serial numbers to i d them out there somewhere?
Thanks, riverratt.
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6 comments

Date Votes
  • NOAH
    I have a Colt AR 15.
    S/N SP1 195xxx
    Can anyone help me with the year of manufacture?
    A1 or A2?
    thank you
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  • badsbsnf81
    Someone over on AR15.com should be able to help.
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  • Nwcid
    This site might help, it show a lot of the different markings.

    http://www.biggerhammer.net/ar15/
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  • JudgeColt
    This is a better site for information on the features of very early Colt AR-15 rifles:

    http://98.196.65.94/retroblackrifle/index.html

    I cannot speak to the markings on a 1966 AR-15, but my 1964 AR-15 does not have any markings on the bolt carrier. The only markings on the upper receiver are a "C" in a square above the Colt "VP" (Verified Proof), both of which are located just ahead of the ejector port on the flat surface.
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  • colt601
    The bolt carriers were not marked until about 1968 when GM and H&R started making M16A1s. I don't think the uppers were marked until 1970 or so
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  • USN_Airdale
    quote:Originally posted by JudgeColt
    This is a better site for information on the features of very early Colt AR-15 rifles:

    http://98.196.65.94/retroblackrifle/index.html

    no kidding !! that site and their references are great, i had it on my old hard drive that crashed, i am in the process of rebuilding my Bookmarks/Favorites, etc.

    thank you for posting that URL.
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