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Will 223 work in a 5.56 chamber?

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  #1  
Unread 04-22-2012, 06:21 PM
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Will 223 work in a 5.56 chamber?

I have been looking and studying AR's trying to figure which one to buy...

My question is, will 223 round shoot without jamming in guns labeled, 5.56.
Some AR's I have looked at say 223 or 5.56, others say 5.56.

What is the difference? Thanks
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  •   #2  
    Unread 04-22-2012, 06:26 PM
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    Re: Will 223 work in a 5.56 chamber?

    The Gun Zone -- SAAMI on 5.56 v. .223 Remington

    Short answer: 223 in 5.56 ok. 5.56 in 223 not ok.
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      #3  
    Unread 04-22-2012, 07:26 PM
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    Re: Will 223 work in a 5.56 chamber?

    Quote:
    Originally Posted by NomadPilot View Post
    The Gun Zone -- SAAMI on 5.56 v. .223 Remington

    Short answer: 223 in 5.56 ok. 5.56 in 223 not ok.
    I concure now read this, and know what your buying. Grant at G&R tactical has the best prices! Make and educated purchase dont belive the guncounter hype or your buddy who is a cop or military most dont know what they are buying.

    https://spreadsheets.google.com/pub?...=5&output=html

    https://spreadsheets.google.com/spre...=2&output=html
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      #4  
    Unread 04-24-2012, 08:05 AM
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    Re: Will 223 work in a 5.56 chamber?

    Thanks Icanhithimman, that was helpful and very informative!
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      #5  
    Unread 04-24-2012, 09:40 AM
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    Re: Will 223 work in a 5.56 chamber?

    I have shot 5.56 surplus ammo for years in Mini-14, my AR15's and never a problem....with .223 chamber.....
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      #6  
    Unread 04-24-2012, 06:15 PM
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    Re: Will 223 work in a 5.56 chamber?

    Quote:
    Originally Posted by drt4lfe View Post
    I have shot 5.56 surplus ammo for years in Mini-14, my AR15's and never a problem....with .223 chamber.....
    Do not listen to this guy. 5.56 runs at higher pressure and has a longer neck. And it isn't worth it to find out that your rifle can't handle that higher pressure.
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      #7  
    Unread 04-24-2012, 06:43 PM
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    Re: Will 223 work in a 5.56 chamber?

    I'm not telling anyone to listen or to do anything.....it's his choice but, people buy surplus 5.56 ammo and use in .223 rifles.....I have not seen any failures...not saying there has not been.....I think if this was a big issue you would be seeing more about it and pics of the failures on every gun website on the internet....
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