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Thread: Chamber help

  1. #11
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    Send me the entire upper and I'd do it free of charge so long as you/he pays the return shipping of the upper. I'd also remove and remount the carrier key and install better screws and stake it correctly. I recommend using a BCM SOPMOD extractor upgrade kit also which includes an extractor, ext. pin, ext. spring, black ext. buffer and o-ring and a new set of gas rings.

    Quote Originally Posted by Ghost__1 View Post
    So I figure this is an easy fix but to be fair to my friend I wanted to ask you all if my proposed solution will fix it. He blatantly ignored my advice to buy a BCM and bought a dpms instead for the price of a colt mind you.

    Out firing the other day we brought steel cased ammo. Cheap at cabelas so don't burn me. Anyways the gun cycles the fmj fine but sticks casings and blows primers on the HP stuff. Now I know that its Def the ammo there but my first question is if Ned's 5.56 reamer would fix this? My next question is if someone nears south Dakota would be as so kind to let me borrow theirs. Or if someone would be willing to mail one to me for his barrel?

    I do understand that the moral of this story is friends don't let friends buy crap ars.
    Chief Armorer for Elite Shooting Sports in Manassas VA
    Chief Armorer for Corp Arms (FFL 07-08/SOT 02)

  2. #12
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    See that's why I love this place. It's my extended family.:-)
    "I know enough about a lot but enough to get me in trouble none the less." Me

    Quote Originally Posted by C4IGrant View Post

    Believe me, I know about not doing the "popular thing." Be a gear and gun dealer, go onto a tactical gun forum and tell folks to STOP buying crap they don't need.


    C4

  3. #13
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    I had a similar problem with a Bushmaster barrel. Despite being marked 5.56, it was, in fact, a .223. I considered various options and instead of trying to fix the Bushmaster barrel I simply purchased a new BCM 14.5 mid length upper with a hammer forged barrel, permanently pinned PWS, with LaRue 12" rail. And yes, the BCM is perfect and I could not be more satisfied.

    But I have a question: is it possible to use a reamer on a chrome lined barrel? I have read in one of the AR books by Sweeney that the chrome lining is harder than the reamer, that reaming the barrel is not possible, and in fact, will only destroy the barrel and reamer. Is this correct? Will the reamer indicated modify a .223 chamber into a true 5.56 chamber without destroying the barrel and reamer if the chamber/barrel is chrome lined?

    I do wonder if dpms/bushmaster/etc. engage in class action fraud for selling barrels marked 5.56 when they know (or should know) that they are not?

    At any rate, I recommend that the dpms barrel be treated as garbage, disposed of accordingly, and that a quality barrel/upper be purchased instead.
    Last edited by Team Chuck Norris; 10-07-11 at 17:50. Reason: add

  4. #14
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    Robb for some reason my phone won't let me pm you but thanks. My buddy said Hell yes to your offer. Instead of sending it I think I might just bring it by as I have to head back down to nc and its only a minor detour from SD to there. That is if nova is still where your at which I don't doubt.
    "I know enough about a lot but enough to get me in trouble none the less." Me

    Quote Originally Posted by C4IGrant View Post

    Believe me, I know about not doing the "popular thing." Be a gear and gun dealer, go onto a tactical gun forum and tell folks to STOP buying crap they don't need.


    C4

  5. #15
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    Quote Originally Posted by Ghost__1 View Post
    Robb for some reason my phone won't let me pm you but thanks. My buddy said Hell yes to your offer. Instead of sending it I think I might just bring it by as I have to head back down to nc and its only a minor detour from SD to there. That is if nova is still where your at which I don't doubt.
    Yes in Manssas VA, I'll be of wild boar hunting in FL and will be back the 14th and 15th and then off on vacation the following week. But you can drop it off and I'll get to it when I'm back.
    Chief Armorer for Elite Shooting Sports in Manassas VA
    Chief Armorer for Corp Arms (FFL 07-08/SOT 02)

  6. #16
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    Quote Originally Posted by Robb Jensen View Post
    Send me the entire upper and I'd do it free of charge so long as you/he pays the return shipping of the upper. I'd also remove and remount the carrier key and install better screws and stake it correctly. I recommend using a BCM SOPMOD extractor upgrade kit also which includes an extractor, ext. pin, ext. spring, black ext. buffer and o-ring and a new set of gas rings.
    Wow. Very cool.

    Ghost__1, I was having similar issues with a CMMG upper. Took it to VA Arms and after quite a bit of chamber material was removed, it's been good-to-go ever since.

  7. #17
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    Quote Originally Posted by N2CH_556 View Post
    Wow. Very cool.

    Ghost__1, I was having similar issues with a CMMG upper. Took it to VA Arms and after quite a bit of chamber material was removed, it's been good-to-go ever since.
    No doubt I would pass that up either. If Robb wants to work on a rifle you don't pass that up or I wouldn't at least.
    "I know enough about a lot but enough to get me in trouble none the less." Me

    Quote Originally Posted by C4IGrant View Post

    Believe me, I know about not doing the "popular thing." Be a gear and gun dealer, go onto a tactical gun forum and tell folks to STOP buying crap they don't need.


    C4

  8. #18
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    Quote Originally Posted by Robb Jensen View Post
    Send me the entire upper and I'd do it free of charge so long as you/he pays the return shipping of the upper. I'd also remove and remount the carrier key and install better screws and stake it correctly. I recommend using a BCM SOPMOD extractor upgrade kit also which includes an extractor, ext. pin, ext. spring, black ext. buffer and o-ring and a new set of gas rings.
    Not sure how to describe this-- "deal of a lifetime" maybe. And from a guy who knows what he's doing!

    Jeez Robb, free of charge? Guess you make it up on volume

  9. #19
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    I Def do appreciate the help with it from Robb. I also didn't mean any disrespect Ned by saying I won't buy one. Kinda hope I don't need it after this. FWIW I think that its probably saved countless folks some trouble from out of spec barrels. Pretty ingenious.
    "I know enough about a lot but enough to get me in trouble none the less." Me

    Quote Originally Posted by C4IGrant View Post

    Believe me, I know about not doing the "popular thing." Be a gear and gun dealer, go onto a tactical gun forum and tell folks to STOP buying crap they don't need.


    C4

  10. #20
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    Ghost, no prob at all-- I know $240 ain't cheap, especially for the guy who has only one chamber to do. It's more for the guy with a ton of AR's and friends with tons of AR's or some one managing a whole fleet of them for an agency. I'm glad you found a place to get it taken care of.

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