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Thread: Can I shoot 5.56mm out of a .223 Wylde Chamber?

  1. #11
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    Quote Originally Posted by gotm4 View Post
    Most of the time you can shoot 5.56mm NATO pressure ammo through .223 Wylde chambers. Once in a while the .223 Wylde is still little too tight.
    My experience as well.

    Quote Originally Posted by C4IGrant View Post
    Ya, really kind of depends on who made the barrel. C4
    Yup. LT Stealths have been GTG with 5.56 in my experience, as have a fewer HQ custom others.

    Mass produced, like a bunch of RRAs wylde chambers, are spotty at best.

    I've always found that if it's a mass produced Wylde, it may as well be reamed.
    Last edited by ST911; 08-15-09 at 13:52.

  2. #12
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    My 14.5" (cutdown from a 16") 1x8 twist RRA stainless midlength with .223 Wylde chamber had some issues with black box Federal 5.56mm XM193 so I reamed it with Neds 5.56mm NATO neck and throat reamer and it's been trouble free since them. My two WOA .223 Wylde barrels have run fine with everything.

    This is the barrel I'm currently having WAR rifles turn down to .565" profile.
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  3. #13
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    I've encountered a few RRAs with Wylde chambers that would pop primers with 5.56.

    I'd expect better from the Rainier barrel.

    But I'd still rather just have .223 for a bench rifle and 5.56 for a carbine.

  4. #14
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    My brother has a 20" chrome RRA .223 wylde that is popping primers with LC08 XM193.

    When unloading a loaded chamber, it is obvious that it's tight. Only found 3 peices of brass /w primers missing, but it only took 1 lodged between the bcg(BCM) and the upper receiver (port side) to realize this is a major issue. Took an hour and several broken dowel rods to drive the bolt forward.

    Is the shorter leade serious enough to cause the popped primers alone? or could it be the "bad" ammo?

  5. #15
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    My2 cents worth.
    If you were trying to build a DMR rifle, or a Varmint set up and wonted to squeeze out some extra accuracy using match grade/special purpose ammo then go with the Wylde chamber barrel from a known source of good quality.
    BUT if you are building a SBR shooting mainly M855, which is not going to produce any accuracy above any other MIL.SPEC. ammo and you are going to depend on this upper for server conditions and to use to defend yourself and expect it to be as reliable as possible, it would be a no brainer for me to get a MIL.SPEC chambered barrel of the best quality I could.

    I have had issues with Wylde chambered barrels and will never advocate them for true combat operations.

    An ole retired marine once told me "before a weapon can be accurate it must work first"

  6. #16
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    Quote Originally Posted by semtex41 View Post
    My brother has a 20" chrome RRA .223 wylde that is popping primers with LC08 XM193.

    When unloading a loaded chamber, it is obvious that it's tight. Only found 3 peices of brass /w primers missing, but it only took 1 lodged between the bcg(BCM) and the upper receiver (port side) to realize this is a major issue. Took an hour and several broken dowel rods to drive the bolt forward.

    Is the shorter leade serious enough to cause the popped primers alone? or could it be the "bad" ammo?
    Yes. Given the above, your barrel needs to be reamed if you're going to shoot 5.56. Heck, I'd ream it anyway just for extra insurance.
    Last edited by ST911; 11-29-09 at 13:34.
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  7. #17
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    Thumbs up

    Quote Originally Posted by Skintop911 View Post
    Yes. Given the above, your barrel needs to be reamed if you're going to shoot 5.56. Heck, I'd ream it anyway just for extra insurance.
    Understood, so how does one go about doing this? I have yet to find instructions... (search fail)

    Do you just twist it and measure until the go/no-go gauges are set? What makes Ned's double the price of the one from Brownells? Thanks for replying.

  8. #18
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    Ive also run tons of 556 through a Wylde without issue. In fact it was the most reliable AR Ive ever had with not a single malfunction in about 6k rounds.

  9. #19
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    didnt want to make a new threa.

    But what about .223 in a 5.56 marked barrel?...barrel is from BCM

  10. #20
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    Quote Originally Posted by jahwarrior1423 View Post
    But what about .223 in a 5.56 marked barrel?...barrel is from BCM
    Perfectly fine, its done a lot, if not most of the time, by some shooters. But, don't do the reverse.
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