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Thread: are there any reputable companies that shorten M4 barrels from 16" to 10.5".

  1. #11
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    ADCO a week turn around on pinning my colt 14.5 with a extended fh.

  2. #12
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    I am another very happy ADCO customer. They do excellent work and have a very quick turn around time.

  3. #13
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    ADCO, quick turnaround, professional operation, no BS.
    "Life is short, but the years are long." - Robert A. Heinlein

  4. #14
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    Another +1 for adco. Ive had them cut 4 barrels for me. Fast service and excellent craftsmanship each time.

  5. #15
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    wouldn't any competent gunsmith with a good reputation who build rifles from scratch (benchrest / custom hunting) with a lathe, milling machine, etc be able to cut / thread and crown an AR bbl??

    Not trying to be a wise guy, but custom chambering / cutting and threading barrels are done by 1st class smiths daily for all types of weapons. I had my Anschutz 54 sporter cut and threaded for my tac67 while I waited from a retired gunsmith/buddy.

    I guess my question would be, Is there something special about cutting an M4 profile bbl that an AR specialist is needed??



    I will say the turn around time and recommendations from adco sound excellent & also know finding a trusted gunsmith locally can be quite the challenge.
    "You cannot invade the mainland United States. There would be a rifle behind each blade of grass."
    Japanese Admiral Yamamoto, 1941




    "A wise man's heart directs him toward the right, but a foolish man's heart directs him toward the left."
    Ecclesiastes 10:2:

  6. #16
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    Quote Originally Posted by Artos View Post
    I guess my question would be, Is there something special about cutting an M4 profile bbl that an AR specialist is needed??


    My guess is that cutting a chrome lined barrel is different than cutting a SS or unlined chrome moly barrel due to the problem you get with chipping the lining.

  7. #17
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    Cool

    Quote Originally Posted by N.Franklin View Post
    My guess is that cutting a chrome lined barrel is different than cutting a SS or unlined chrome moly barrel due to the problem you get with chipping the lining.
    The chrome in a barrel is nothing like the chrome on a bumper.
    If you go to the ADCO site and go the the FAQ section you will see.

    Q. Are there any issues cutting chrome lined barrels?
    A. Not in our experience after cutting several thousand.



    Last edited by BillBond; 09-13-09 at 12:29.

  8. #18
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    Quote Originally Posted by Artos View Post
    I guess my question would be, Is there something special about cutting an M4 profile bbl that an AR specialist is needed??
    You would think any good gunsmith could do it.

    But after messing around with several yahoos in my area that came highly recommended on local gun boards.
    I found out that ADCO will do it cheaper, better and faster.
    Even with the shipping time included the entire time frame was less than half that of doing it locally.

    Last edited by BillBond; 09-13-09 at 14:52.

  9. #19
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    Quote Originally Posted by Artos View Post
    finding a trusted gunsmith locally can be quite the challenge.
    This is what it boils down to.

  10. #20
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    Quote Originally Posted by BillBond View Post
    You would think any good gunsmith could do it.

    I found out that ADCO will do it cheaper, better and faster.
    Even with the shipping time included the entire time frame was less than half that of doing it locally.

    That is certainly a plus and why I would consider adco if /when I needed the service....my assumption is that the lining was not an issue or I would have seen it somewhere on the gunsmithing forum (from the smiths I know are top notch.) I just don't think it(chrome lining) would be that brittle or we would hear of more flaking / chipping in general.
    "You cannot invade the mainland United States. There would be a rifle behind each blade of grass."
    Japanese Admiral Yamamoto, 1941




    "A wise man's heart directs him toward the right, but a foolish man's heart directs him toward the left."
    Ecclesiastes 10:2:

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