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AR15.COM
AR Sponsor
8/31/2005 12:41:52 PM EDT
Between 5.56mm and .223

My AR receiver says 5.56, but will .223 cause any long term damage, I shoot both sizes but have heard one is slightly larger.
8/31/2005 12:41:13 PM EDT
[#1]
ammo faq?
8/31/2005 12:41:14 PM EDT
[#2]
.224
8/31/2005 12:41:36 PM EDT
[#3]
The ar15.com Ammo Oracle
8/31/2005 12:57:00 PM EDT
[#4]

Quoted:
The ar15.com Ammo Oracle








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