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.223 Remington vs. 5.56 NATO: What You Don’t Know Could Hurt You
Bearing Arms ^
| 13 Feb, 2015
| Bob Owens
Posted on 10/29/2016 5:17:13 PM PDT by MtnClimber
click here to read article
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To: MtnClimber
I have heard of possible issues for years, but never an explanation.
2
posted on
10/29/2016 5:18:03 PM PDT
by
MtnClimber
(For photos of Colorado scenery and wildlife, click on my screen name for my FR home page.)
To: MtnClimber; mylife; Joe Brower; MaxMax; Randy Larsen; waterhill; Envisioning; AZ .44 MAG; umgud; ...
.223 Remington vs. 5.56 NATO
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3
posted on
10/29/2016 5:25:06 PM PDT
by
PROCON
("LOCK HER UP, LOCK HER UP!")
To: MtnClimber
Dono, but if you get touched in the forehead with a .17 your future is a mess.
4
posted on
10/29/2016 5:26:44 PM PDT
by
Bogie
To: MtnClimber
My newly purchased M-4 COLT has 5.56MM on the box, and the serial number. The same COLT rifle has .223 stamped on the rifle and the same serial number.
I have fired BOTH cartridges in a RUGER Mini-14 and other rifles with no problems.
5
posted on
10/29/2016 5:27:40 PM PDT
by
Ruy Dias de Bivar
(Evil women. Jezebel, Athaliah, Livia Drusilla, Messalina, Lucrezia Borgia, Hillary Clinton)
To: MtnClimber
I specifically bought a 5.56 to avoid the potential issues of buying .223 and using both ammo. So far I have strictly used 5.56 ammo in my Armalite Eagle-15.
6
posted on
10/29/2016 5:29:01 PM PDT
by
Reno89519
(Trump/Pence or Crooked Hillary & Kreepy, The Pedo Klown)
To: MtnClimber
Gimme a break. .223 is imperial measurement while 5.56 is metric measurement for the same cartridge.
Good grief
7
posted on
10/29/2016 5:29:04 PM PDT
by
Fiddlstix
(Warning! This Is A Subliminal Tagline! Read it at your own risk!(Presented by TagLines R US))
To: PROCON
With reloads I have seen signs of excessive pressure with loads that should be well below mazimum and now that I think of it it was military 5.56 brass.
8
posted on
10/29/2016 5:29:25 PM PDT
by
MtnClimber
(For photos of Colorado scenery and wildlife, click on my screen name for my FR home page.)
To: Reno89519
9
posted on
10/29/2016 5:33:00 PM PDT
by
Cobra64
(Common sense isn't common any more.)
To: Fiddlstix
Tsk, tsk, you didn't read the article, did you?
How about the leade?
10
posted on
10/29/2016 5:33:38 PM PDT
by
PROCON
("LOCK HER UP, LOCK HER UP!")
To: Fiddlstix
Do research on the case dimensions. The geometry is different.
11
posted on
10/29/2016 5:33:58 PM PDT
by
Cobra64
(Common sense isn't common any more.)
To: Fiddlstix
Wrong. Slightly higher chamber pressure for 5.56 vs .223 ammo. Results in about 150-200 fps difference. Not a huge difference but some and specifications behind that nomenclature.
To: MtnClimber
Wylde about the potential ...... :o)
13
posted on
10/29/2016 5:35:17 PM PDT
by
Squantos
(Be polite, be professional, but have a plan to kill everyone you meet ...)
To: Fiddlstix
The case thickness and bullet seating dimensions are explained in the article. If you don’t reload then it may not make sense.
14
posted on
10/29/2016 5:36:41 PM PDT
by
MtnClimber
(For photos of Colorado scenery and wildlife, click on my screen name for my FR home page.)
To: wgmalabama
Yes, the thicker case for the 5.56 means pressure will be higher than a similar charge in .223. If you reload a max .223 charge in a 5.56 the pressure will high enough that you may get a case rupture.
15
posted on
10/29/2016 5:39:48 PM PDT
by
MtnClimber
(For photos of Colorado scenery and wildlife, click on my screen name for my FR home page.)
To: MtnClimber
That’s cool;) I only buy 5.56mm for target practice, but for personal defense I have 30-round mag’s (27 rounds) filled with .223 hollow points.
16
posted on
10/29/2016 5:40:02 PM PDT
by
Jumper
To: MtnClimber
When reloading most sort out the military brass and the Commercial brass for the same capacity reason. Some go as far to weigh the brass for consistent loads.
17
posted on
10/29/2016 5:40:48 PM PDT
by
mountainlion
(Live well for those that did not make it back.)
To: MtnClimber
As if the confusion regarding the .223 vs 5.56 chambers wasnt enough, there is a third possibility in the mix, that is being used by at least one major manufacturer. The .223 Wylde chamber is a modified SAAMI-spec .223 chamber that allows for the safe use of 5.56 NATO rounds, but maintains tighter tolerances for better accuracy.The Armalite Eagle-15 I picked up last June is chambered in .223 Wylde. That's what sold me on it.
18
posted on
10/29/2016 5:43:18 PM PDT
by
Drew68
To: Ruy Dias de Bivar
The Mini 14 is chambered for 5.56 which means you can use .223 also.If it was chambered in. 223 it would be a no bo to fire a 5.56 in it.
19
posted on
10/29/2016 5:45:21 PM PDT
by
Renegade
To: MtnClimber
If the military brass has less internal capacity, it will take less of a given powder to reach a specific pressure than commercial .223. Chamber specs vary a bit between 5.56 and .223, and even the Wylde chamber. The cartridges, loaded to their respective pressures are interchangeable, the minute differences in chamber specs for reliability.
20
posted on
10/29/2016 5:46:31 PM PDT
by
Quickgun
(I got here kicking,screaming and covered in someone else's blood. I can go out that way if I have to)
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