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Posted: 8/10/2011 7:15:34 AM EDT
[#1]
Just found the ammo forum I will post this question there
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Posted: 8/10/2011 7:25:19 AM EDT
[#2]
AE223BK is good shooting ammo (for 55 grain) and that price is pretty good.
.223 or 5.56...whatever, it will run fine. |
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Posted: 8/10/2011 8:23:13 AM EDT
[#3]
I'm pretty new to AR15s, but it is my understanding that it is not a good idea to shoot 5.56 from a .223 barrel (chamber pressures and case geomety are different between 5.56 and .223 ammo and the .223 chamber may not handle it well). The reverse, shooting .223 ammo from a 5.56 barrel, is okay though.
This is just my understanding, I'm sure some more knowledgeable folks will be right along.
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Posted: 8/10/2011 9:15:35 AM EDT
[#4]
This is not so much a question about ammo as it is a technical question about the barrel.
First we'll need to know who made the barrel - or at least the upper. On some rifle (Colt notably) the receiver says .223 but the barrel is marked 5.56 (go by the barrel). However, particularly in the past, there have been some manufacturers that mark their barrels 5.56 when they really have a .223 chamber, and even vice versa. .223 can be safely fired in any 5.56 it's not an issue. However 5.56 ammo should not be fired in .223 chambers as ther is the potential for an unsafe pressure due to 5.56's pressures and the shorter free bore of the .223 chamber. However there is an exception if the rifle has a Wylde .223 chamber, which is designed to allow safe shooting of 5.56 ammo (Rock River Arms uses the Wylde .223 chamber). |
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Posted: 8/10/2011 9:16:14 AM EDT
[#5]
That's my understanding too.
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Posted: 8/10/2011 9:26:37 AM EDT
[#6]
I want the OP to know I have never heard of a rifle being destroyed by shooting 5.56 in a .223 chamber, I have however witnessed rifles getting 'locked up' by stuck cases and primers blown out (the latter being Federal XM stuff where they didn't stake the primers on the 5.56).
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Posted: 8/10/2011 5:33:57 PM EDT
[#7]
PSA (palmetto state armory) is advertising Genuine M855 62grain Federal Lake City that is NOT MARKED "Not For Duty Use" at $99 for 300 rounds bulk packed, or $149.99 for 420 rounds packed in a ammo can on 10 round stripper clips.
This is the way that I would go while it's available. I'd buy the sealed ammo cans for SHTF (I have a some 100 round bandoliers with stripper clip guides left from some IVI (no longer available Canadian military manufacture) NATO SS109). Reloading magazines from stripper clips with stripper clip guides is much faster than reloading from a bulk box. For daily practice, I buy some bulk pack because it's significantly less expensive. |
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Posted: 8/10/2011 5:55:05 PM EDT
[#8]
This whole .223 vs 5.56 question is moot I think. Ive been collecting and shooting ARs (and an M-16) for 36 years and every AR I've bought will shoot 5.56. I think there were a small amount of rifle (mainly target bolt actions) that fired ".223". To be honest all the ammo I've seen over the years is 5.56. I've never seen any ammo marked .223 only, not 5.56
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Posted: 8/10/2011 8:20:35 PM EDT
[#9]
I have 2 boxes of Remington UMC cartridges in .223 Remington, 55gr. MC, and there isn't a single spot anywhere on the packaging with "5.56" on it. The brass is head stamped with "223 REM" also. Purchased at the local Wal-Mart. See above. There is a difference, and if your gun is marked .223 and not 5.56mm, proceed with prudence and caution.
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Posted: 8/10/2011 8:26:48 PM EDT
[#10]
for ammo if you want M855 get this
PSA PMC X-TAC M855 that makes it $613 even with shipping for 2000 rounds |
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Posted: 8/10/2011 9:21:49 PM EDT
[#11]
There is ammo that is boxed in .223,also in 5.56 and in .223/5.56. you should shoot what it says on your barrel, if it says .223 that is what you SHOULD
shoot, but you can shoot .5.56, but do not make a habit doing so, so just stick with .223. if it is marked 5.56 you can shoot either one safely, Where abouts are you in Idaho, glad to see that you could leave a socialist state, thanks. Ron |
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