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

  1. #21
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    Quote Originally Posted by jahwarrior1423 View Post
    didnt want to make a new threa.

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


    223 ammo out of 556 barrel is fine. Its just not going to be as accurate as a 223 barrel due to the looser chamber. This is the reason for the "match" 556 chambers people like Noveske have come out with to get "match" accuracy out of a "combat" chamber.

  2. #22
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    Quote Originally Posted by semtex41 View Post
    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.
    The major difference is that Ned Christiansens 5.56mm NATO neck and throat reamer cuts ONLY the neck and throat of the chamber. When using it with the supplied handle from Ned the barrel doesn't need to be disassembled from the upper receiver. You can't over cut this area with Neds reamer.

    The Brownells reamers are complete chamber reamers. If you don't know what you're doing with this you can really FUBAR a barrel. You'll also need a lathe with the Brownells reamers.
    Chief Armorer for Elite Shooting Sports in Manassas VA
    Chief Armorer for Corp Arms (FFL 07-08/SOT 02)

  3. #23
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    Quote Originally Posted by 10MMGary View Post
    FWIW I have a WOA barrel I purchased from Rainier Arms with a 223 Wylde chamber. It eats and spits out everything it has been fed. That includes multiple brands of factory 223 Remington and NATO 5.56 ammo. It even eats and spits out the foreign crap and I mean any and all of it.
    +1, exact same experience with a WOA upper.

  4. #24
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    As posted by Bill Wylde on THR:

    Posted By: Bill Wylde
    Date: Thursday, 13 November 2003, at 8:46 a.m.

    In Response To: Re: .223 Wylde

    The case dimensions of the Wylde reamer are that of one of the NATO prints. Not a thing tight about it. As I recall, there were two NATO prints in use. I don't recall the print number used, but do have it in old records somewhere.

    Throating was about the only change. The decision was made to make the freebore diameter .2240" as a good bullet seal. That done, excess freebore made little difference to accuracy. One of the reasons the magazine length 69's shot so well in the chamber. It so happened that the 80 grain Sierra seated to the lands was about ideal at .2470" OAL. Simple luck.....All of it.

    The initial reamer(designed in 1984)was mainly geared toward Canadian 5.56 ball, as I was experimenting with their issue ball for competitive purposes. This operation was slow in getting off the ground, and really didn't start happening until about 1990. The use of 5.56 NATO ball in Canada was a short lived affair. Handloads were allowed in about 1994.

    Just prior to this time the AR's were gaining great strength in the U.S. The military finally got involved. The rest is history.

    You might ask how the the 62 grain 5.56 ball worked for Canadian LR prone shooting to 1,000 yds? It was supersonic in barrels of 28", and longer. It also was very competitive with the 147 grain 7.62 ball in use there at the time. The wind drift differential at long range (7.62/5.56) was about 15% in favor of the 7.62.

    Those days were very interesting.

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