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Centerfire Rifles - Semiautomatic or Gas Operated Centerfire rifles, carbines and other gas operated rifles.

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  #1  
Old 01-07-2011, 6:41 AM
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Default 223 Wylde Chmaber & headspacing

I recently swapped out a 5.56 Stag barrel with a 223 Wylde Nordic. Can I check headspacing with my GO & NO-GO 223 gauges, and be accurate?

I checked it and it closed a the GO and didn't on the NO-GO.

GTG?


~dpc
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  #2  
Old 01-07-2011, 7:00 AM
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why get 223 wylde if you had 5.56
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  #3  
Old 01-07-2011, 7:23 AM
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.223 Wylde is a match chamber. 5.56 is not.
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Old 01-07-2011, 7:27 AM
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ok got it thanks
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  #5  
Old 01-07-2011, 7:39 AM
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It is only a match chamber is you are hand loading 80gr+ bullets that don't fit in a magazine. That is what the Wylde chamber was designed for.
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Old 01-07-2011, 8:09 AM
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Wylde chamber is the "in-between" of 5.56 and .223. Wylde changes the LEADE length to accomodate both cartridges, there is NO other chamber dimension change.

Cases headspace on the shoulder. Your gauges will be correct.
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Old 01-07-2011, 8:17 AM
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Actually it was designed to win a single 600 yard shooting competition. Then people wanted it on their rifle.

It was not designed to shoot both .223 and 5.56. That was a side effect.

It was designed with the tight 5.56 (there used to be two prints) to accept higher chamber pressure to get higher velocity but not have a loose chamber like the 5.56 (modern 5.56) that was designed loose to be a machine gun.

Then the throats were lengthened to accept the 69gr better then the 5.56 or .223. However then they found out the 80gr SMK was the perfect round to seat to the lands.

These two things were what it was designed to do, shooting both .223 and 5.56 is a side effect. The 5.56 is more accurate in 5.56 chamber and the .223 is more accurate in a .223. The Wylde chamber is not more accurate unless you are using longer bullets this is due to the throats are way too long for >69gr bullets and they jump to the rifling. When you are seeing an accuracy increase it is the better barrel as Wylde chambers are only typically on match grade barrels.
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Last edited by Nathan Krynn; 01-07-2011 at 8:36 AM..
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Old 01-07-2011, 8:32 AM
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I should be clear on how I checked the chamber with the gauge, since I got couple PM about it. I don't use the gauge much, but since this is a brand new barrel and I'm using a old bolt (less then 1000 rds), I wanted to be sure my headspacing was good.

With upper off, I pulled out the BCG and charging handle. Insert the NO-GO guage and with finger pressure, I closed the BCG and cahrging handle. It did not closed fully and BCG was sticking out in the rear. I then used the GO guage, did same as above... and it closed fully with finger pressure.

Note... the BCG is complete, I did not remove extractor spring. BUT it didn't pull out either guage when I retracted the BCG. And I do not have a FIELD gauge. Just a Go & NO-GO.

So with the above, I should be GTG correct?


~dpc
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  #9  
Old 01-07-2011, 8:38 AM
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Yes you are fine.
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Old 01-07-2011, 10:36 AM
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Quote:
Originally Posted by Nathan Krynn View Post
It is only a match chamber is you are hand loading 80gr+ bullets that don't fit in a magazine. That is what the Wylde chamber was designed for.
Are you sure the standard Wylde spec chamber can shoot 80 grain boolits? I thought the chamber had to be custom throated to take the 80 grainers?

Or conversely, can the "wylde" chamber also be described as a "throated match barrel"???

I too have the Nordic barrel for my latest build, So I am very interested in this thread
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Old 01-07-2011, 11:01 AM
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Quote:
Originally Posted by Army View Post
Wylde chamber is the "in-between" of 5.56 and .223. Wylde changes the LEADE length to accomodate both cartridges, there is NO other chamber dimension change...
Standard 223 throat angle is about 3 degrees per side. The throat angle for the Wylde is 1 degree 30 minutes (nominal) as are most other "match" throats for this caliber. All the various accuracy designs are very close to this, with a few minute, proprietary differences so the designer can be different than the last guy.
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Old 01-07-2011, 11:23 AM
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Quote:
Originally Posted by Falstaff View Post
Are you sure the standard Wylde spec chamber can shoot 80 grain boolits? I thought the chamber had to be custom throated to take the 80 grainers?

Or conversely, can the "wylde" chamber also be described as a "throated match barrel"???

I too have the Nordic barrel for my latest build, So I am very interested in this thread
Yes the 80gr SMK is perfect, Bill designed it for the 69grs originally but then found out the 80gr was better suited. But you then can't use your magazine as the cartridge will have a higher OAL then the mag.

No I would not call it a throated match barrel. I would call it a match barrel (if it is) with a Wydle chamber. I have Krieger barrels with Wylde and .223 personally for different reasons. One is for 80gr SMK (matchs)and the other for 40gr vmax (varmint).
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Last edited by Nathan Krynn; 01-07-2011 at 11:27 AM..
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  #13  
Old 01-07-2011, 11:41 AM
Droppin Deuces Droppin Deuces is offline
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Will bulk 55 grain .223 still chamber OK? I do plan to use heavier rounds, but not exclusively...
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Old 01-07-2011, 11:48 AM
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Quote:
Originally Posted by Droppin Deuces View Post
Will bulk 55 grain .223 still chamber OK? I do plan to use heavier rounds, but not exclusively...
yes, should be fine. Depending on twist rates, though 55 grainers probobly won't be the most accurate, but they'll be servicable just not SUB moa material that's all
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  #15  
Old 01-07-2011, 12:17 PM
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OK, good. I was beginning to feel a little dumb
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