OK, that's not exactly true because 5.56 and .223Rem are not the same. 5.56 is the biggest, .223 Wylde is in the middle, and .223 Rem are the tightest of the 3.
http://www.ar15barrels.com/data/223-556.pdf
OK, that's not exactly true because 5.56 and .223Rem are not the same. 5.56 is the biggest, .223 Wylde is in the middle, and .223 Rem are the tightest of the 3.
http://www.ar15barrels.com/data/223-556.pdf
Last edited by OgenRwot; 10-07-2010 at 09:39.