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Old April 8, 2007, 11:23 PM   #1
AZGunLover
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5.56x45mm and .223 Remington????

What is the difference? I've shot both in my AR and thought they were the same thing with a different name? I've shot surplus 5.56 and .223 Remington. Someone today told me that they were two different cartridges that were only slightly different? Am I just ignorant or is it really two different cartridges?
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Old April 8, 2007, 11:49 PM   #2
mc223
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Consult the oracle.

http://www.ammo-oracle.com/
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Old April 8, 2007, 11:50 PM   #3
Lavid2002
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headspace

The difference is in headspace...only by a little bit though...Its like the dif. between the .223REM and .223NATO rounds
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Old April 9, 2007, 01:16 AM   #4
mc223
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Lavid2002, Consult the oracle.

http://www.ammo-oracle.com/

There is no truth in your statement.
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Old April 9, 2007, 06:35 AM   #5
RERICK
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223vs556nato.jpg
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Old April 9, 2007, 09:24 AM   #6
Abstract
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Quote:
Lavid2002, Consult the oracle.

http://www.ammo-oracle.com/

There is no truth in your statement.

Yep, but didn't it sound SOOOO authoritative?
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