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Thread: 10.3/10.5 inch barrels

  1. #51
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    Quote Originally Posted by gotm4 View Post
    Interesting.

    I have just at 14K rounds through my 51 tooth AAC-M4 2000 Mod 07. Most of that was through a LMT 10.5" barrel (cutdown from a 14.5" LMT barrel) and now a Colt 10.5" (cutdown from a 14.5" SOCOM barrel).

    This suppressor has been 100% trouble free.

    What do you mean by "trouble free"?

    The suppressor will still "work" after high round counts, the internals will just look like crap.

    It also depends on how much full auto shooting you do and how hot you get it.
    "Not every thing on Earth requires an aftermarket upgrade." demigod/markm

  2. #52
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    Quote Originally Posted by scottryan View Post
    The suppressor will still "work" after high round counts, the internals will just look like crap.
    Does this affect function in some way?

    If his gun is still running 14k rounds later, and with no discernible change in noise reduction....

    I would like to meter a can at round one and at round 14k.

  3. #53
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    Quote Originally Posted by scottryan View Post
    What do you mean by "trouble free"?

    The suppressor will still "work" after high round counts, the internals will just look like crap.

    It also depends on how much full auto shooting you do and how hot you get it.
    "Trouble-Free" = no maintenance needed nor has the can been back to AAC. Rifle continues to sound great suppressed and exhibit greater accuracy and more consistent velocities while suppressed.
    I shot absolutely zero full auto with this upper. If I wanted a full auto I'd buy a subgun.
    Chief Armorer for Elite Shooting Sports in Manassas VA
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  4. #54
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    Quote Originally Posted by gotm4 View Post
    Most of that was through a LMT 10.5" barrel (cutdown from a 14.5" LMT barrel) and now a Colt 10.5" (cutdown from a 14.5" SOCOM barrel).
    What's the purpose of using cut-down 14.5" barrels? Smaller gas port?

  5. #55
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    Quote Originally Posted by rob_s View Post

    I would like to meter a can at round one and at round 14k.
    I would like to also.
    "Not every thing on Earth requires an aftermarket upgrade." demigod/markm

  6. #56
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    Quote Originally Posted by rob_s View Post
    Does this affect function in some way?


    According to AAC, it does.
    "Not every thing on Earth requires an aftermarket upgrade." demigod/markm

  7. #57
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    Quote Originally Posted by RAM Engineer View Post
    What's the purpose of using cut-down 14.5" barrels? Smaller gas port?
    It was cheaper for me than buying a new barrel. I already owned the LMT barrel, and the Colt I got for under $200 new. Labor to cut/thread the Colt was free from one of my 3gun sponsors so it was a no brainer IMHO.

    The Colt I did leave the gas port stock and I use a BCM bolt, LMT enhanced carrier and a H3 buffer. It'll run on 5.56mm NATO ammo unsuppressed but won't lock the bolt open. Suppressed is runs 100% and shoots VERY softly.
    Last edited by Robb Jensen; 10-13-10 at 11:51.
    Chief Armorer for Elite Shooting Sports in Manassas VA
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  8. #58
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    Quote Originally Posted by scottryan View Post
    There is a reason why Noveske started making 11.5" barrels.
    Customers asked for them.

    We simply don't have any issues with the 10.5" running with the correct buffer. Colt was about the only game in town for SBR barrels, plus a few other companies that probably just copied the Colt 11.5" barrel. Now that we have extractor O-rings and heavy buffers the short barrels run just fine.

    As for silencer wear it depends on how hard you run the gun and how long you want it to look new inside. Shorter barrels are harder on silencers.

  9. #59
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    Quote Originally Posted by Todd.K View Post
    Customers asked for them.

    We simply don't have any issues with the 10.5" running with the correct buffer.
    I know.
    "Not every thing on Earth requires an aftermarket upgrade." demigod/markm

  10. #60
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    Talking with my class 3 dealer yesterday, he mentioned that some manufacturers won't warranty their 5.56 suppressor if it's used on a barrel less than 10.5". Anything to this? I was thinking about using a DD 10.3" barrel.
    "It makes no difference what men think of war, said the judge. War endures. As well ask men what they think of stone. War was always here. Before man was, war waited for him. The ultimate trade awaiting its ultimate practitioner."

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