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Thread: Need advice on a 12.5" setup

  1. #1
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    Need advice on a 12.5" setup

    I am looking to go from my factory Colt M4 14.5" to a 12.5". My first thought was to have one of our armorers simply replace the barrel, but now I'm not so sure. Rifle will be carried daily as a duty weapon and stored in an overhead rack inside a cruiser. Not looking for anything fancy, just a functional shooter. Cost is certainly a factor as I will be paying for this out of pocket. Any advice would be greatly appreciated.

  2. #2
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    Im using a Noveske Crusader barrel and like it but it'll run you around 4 bills. For patrol use you might consider a BCM chrome lined setup.

    Sent from my DROIDX using Tapatalk

  3. #3
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    .........
    Last edited by charmcitycop; 09-21-13 at 18:09.

  4. #4
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    Just cut your current barrel.

  5. #5
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    Cutting a factory Colt barrel is probably the last thing I would do. If you have confidence in your dept. armorer then I would explore the option of getting a new barrel and rebarreling.

    Another options is to sell the Colt upper complete (which you will get a good price for) and then buy a BCM upper and drop it on.

    My BCM upper has had over 4K rounds through it and it has yet to have a malfunction, firing suppressed or unsuppressed.



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  6. #6
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    I don't see a problem with cutting on Colt barrels, I have lots of them and unlike ten years ago, they are easy and cheap to buy. And when I get them cut I know the threads are concentric and the gas port is whatever I wanted it to be.

  7. #7
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    Thanks for all of the info. After much emailing I decided on the DS Arms ZM-4 10.5" Upper. They just starting roducing uppers with barrels shorter than 14.5" so they're not even on the website yet. I couldn't pass up the price:

    Upper $275
    BCG $100
    CH $13
    Quad $120

    Here is the link:

    http://www.dsarms.com/DSA-ZM4-Forged...tinfo/DSZM4CBU

  8. #8
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    So you're going from an excellent Colt... to DS Arms...

    *sigh*

  9. #9
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    Quote Originally Posted by Whootsinator View Post
    So you're going from an excellent Colt... to DS Arms...

    *sigh*
    Do you have a negative experience with DS to share? I searched here and at the other site, but other than the odd customer service or lead time gripe, I could find nothing to eliminate them from consideration. They have been very responsive to my multiple inquiries which is more than I can say about some others.

  10. #10
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    BCM is, IMO, the only way to go other than Noveske. Dont have any experience with Centurion but from what Ive seen on here, they are top notch as well.

    BCM 12.5


    Last edited by jwfuhrman; 03-30-11 at 18:17.

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