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Campfire Ranger
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I apologize, as I'm pretty sure this has been asked before. What's the difference between ammo labeled .223 and 5.56 Nato? Is it safe to run .223 through an AR platform that's chambered for 5.56? Where does the Wylde offering fall into this mess?
Thanks guys.
molɔ̀ːn labé skýla
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Campfire Outfitter
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Campfire Outfitter
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223 in a 5.56 marked barrel = Okay 5.56 in a 223 marked barrel = No Wylde barrel = Good for 223 & 5.56 here's a better explanation: http://www.americanweaponscomponent...aliber-confusion-223-wylde-vs-5-56-nato/{ Edited to correct typo}
Last edited by keith_dunlap; 10/26/16.
if a man speaks, and there isn't a woman around to hear him, is he still wrong?
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Campfire Tracker
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Campfire Tracker
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Rumor mill at the local gun shop ( I put very little faith in their knowledge. Almost none, really) is that the Wylde chamber wont handle (cheaper) steel 5.56 ammo well.
Any truth?
Quit giving in inch by inch then looking back to lament the mile behind ya and wonder how to preserve those few feet left in front of ya. They'll never stop until they're stopped. That's a fact.
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Campfire Ranger
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Campfire Ranger
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Rumor mill at the local gun shop ( I put very little faith in their knowledge. Almost none, really) is that the Wylde chamber wont handle (cheaper) steel 5.56 ammo well.
Any truth?
That brings up an other good point. I've been told to not shoot steel cased ammo. Is this an accurate statement for my PSA Ar-15 with a 1 in 7 twist barrel? Eliminates the cheap ammo for plinking purposes.
molɔ̀ːn labé skýla
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Campfire 'Bwana
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Campfire 'Bwana
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Steel works well in 7.62x39 because it's a highly tapered cartridge. The .223/ 5.56 by comparison is straight sides so steel is less prone to run well in any of these chambers.
I've had issues with steel even in factory 5.56 chambers.
I don't run it in any of my AR series rifles regardless of chamber.
You didn't use logic or reason to get into this opinion, I cannot use logic or reason to get you out of it.
You cannot over estimate the unimportance of nearly everything. John Maxwell
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Campfire Regular
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Campfire Regular
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5.46 in a 223 marked barrel probably is not okay but 5.56 in a 223 barrel is 100% OKAY. Same wrong crap gets recirculated via the wonderful web over and over.
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Campfire Ranger
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Campfire Ranger
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Steel works well in 7.62x39 because it's a highly tapered cartridge. The .223/ 5.56 by comparison is straight sides so steel is less prone to run well in any of these chambers.
I've had issues with steel even in factory 5.56 chambers.
I don't run it in any of my AR series rifles regardless of chamber. I was just down stairs putting my stuff away from a range trip today. I've got a little over 100 rounds of steel cased stuff. Guess I won't shoot that any more. Thanks for the advice.
molɔ̀ːn labé skýla
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Campfire Outfitter
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100 rounds won"t make a big difference.
Shoot it up but don"t buy anymore. Buy brass cased and reload.
Let's Go Brandon! FJB
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Joined: Nov 2011
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Campfire 'Bwana
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Campfire 'Bwana
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5.46 in a 223 marked barrel probably is not okay but 5.56 in a 223 barrel is 100% OKAY. Same wrong crap gets recirculated via the wonderful web over and over. 5.56 loads are not 100% ok in .223 chambers. In a bolt gun, but factory loads, I generally don't worry about it, since modern bolts handle 65k psi just fine. But in the AR I have loads that are fine in 5.56 chambers that need to be backed of a full grain or they blow primers in a .223 chamber. There is a non-trivial difference between the two, and you need to pay attention to it.
You didn't use logic or reason to get into this opinion, I cannot use logic or reason to get you out of it.
You cannot over estimate the unimportance of nearly everything. John Maxwell
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Campfire Regular
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5.46 in a 223 marked barrel probably is not okay but 5.56 in a 223 barrel is 100% OKAY. Same wrong crap gets recirculated via the wonderful web over and over. 5.56 is typically loaded hotter than civilian .223 Never heard of a kaboom, but it is universally considered unsafe to run 5.56 in the tighter .223 chamber. Although safe to use .223 ammo in a 5.56 chamber, it sometimes is too weak to run an AR that is tuned for 5.56. This is correct (from above): 223 in a 5.56 marked barrel = Okay 5.56 in a 223 marked barrel = No Wylde barrel = Good for 223 & 5.56
B L M - Bureau of Land Management
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Joined: Aug 2015
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Campfire Outfitter
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Campfire Outfitter
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5.46 in a 223 marked barrel probably is not okay but 5.56 in a 223 barrel is 100% OKAY. Same wrong crap gets recirculated via the wonderful web over and over. And there is some of that crap right there.
Let's Go Brandon! FJB
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Joined: Oct 2009
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Campfire Regular
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Campfire Regular
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5.46 in a 223 marked barrel probably is not okay but 5.56 in a 223 barrel is 100% OKAY. Same wrong crap gets recirculated via the wonderful web over and over. 5.56 loads are not 100% ok in .223 chambers. In a bolt gun, but factory loads, I generally don't worry about it, since modern bolts handle 65k psi just fine. But in the AR I have loads that are fine in 5.56 chambers that need to be backed of a full grain or they blow primers in a .223 chamber. There is a non-trivial difference between the two, and you need to pay attention to it. Wrong.
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Joined: Oct 2009
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Campfire Regular
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Campfire Regular
Joined: Oct 2009
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5.46 in a 223 marked barrel probably is not okay but 5.56 in a 223 barrel is 100% OKAY. Same wrong crap gets recirculated via the wonderful web over and over. 5.56 is typically loaded hotter than civilian .223 Never heard of a kaboom, but it is universally considered unsafe to run 5.56 in the tighter .223 chamber. Although safe to use .223 ammo in a 5.56 chamber, it sometimes is too weak to run an AR that is tuned for 5.56. This is correct (from above): 223 in a 5.56 marked barrel = Okay 5.56 in a 223 marked barrel = No Wylde barrel = Good for 223 & 5.56 Wrong again.
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Joined: Oct 2009
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Campfire Regular
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5.46 in a 223 marked barrel probably is not okay but 5.56 in a 223 barrel is 100% OKAY. Same wrong crap gets recirculated via the wonderful web over and over. And there is some of that crap right there. Still wrong.
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Campfire 'Bwana
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Campfire 'Bwana
Joined: Nov 2011
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5.46 in a 223 marked barrel probably is not okay but 5.56 in a 223 barrel is 100% OKAY. Same wrong crap gets recirculated via the wonderful web over and over. 5.56 loads are not 100% ok in .223 chambers. In a bolt gun, but factory loads, I generally don't worry about it, since modern bolts handle 65k psi just fine. But in the AR I have loads that are fine in 5.56 chambers that need to be backed of a full grain or they blow primers in a .223 chamber. There is a non-trivial difference between the two, and you need to pay attention to it. Wrong. Really? And exactly when did you shoot my rifles and handloads?
You didn't use logic or reason to get into this opinion, I cannot use logic or reason to get you out of it.
You cannot over estimate the unimportance of nearly everything. John Maxwell
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Campfire Outfitter
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Campfire Outfitter
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Most factory chambers are large enough that it ain't gonna matter but order a match 223 chamber and see if you don't have to back off.
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Campfire Regular
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Most factory chambers are large enough that it ain't gonna matter but order a match 223 chamber and see if you don't have to back off.
Yep. Not going to create a life or death situation but shoot a case of Mk262 in a true match 223 chamber and see how far you get before malfunctions and broken parts.
John 8:12 "I am the light of the world. Whoever follows me will never walk in darkness, but will have the light of life."
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Campfire Ranger
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Campfire Ranger
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Thanks for the good info here guys. I'm new to the world of the AR so this is all good stuff to know. Once again the men at the 'Fire have come through. Your help is greatly appreciated.
molɔ̀ːn labé skýla
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Campfire Sage
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Campfire Sage
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Your AR will more than likely gobble up everything.
Including steel.
Travis
Trump being classless,tasteless and clueless as usual. Sorry, trump is a no tax payin pile of shiit. My young wife decided to play the field and had moved several dudes into my house
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I hate to break it to you all, but when it comes to a .223 marked barrel, you can't go by the barrel marking.
I have a Mark X Mini Mauser factory marked ".223 Rem" but it is a NATO chamber. I understand that Olympic or some other AR maker did the same thing on some rifles.
Islam is a terrorist organization.
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