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AR15.COM
AR Sponsor
12/11/2010 3:57:57 PM EDT
According to RCBS info, the acceptable headspace dimension for .223 Rem is 1.4636" - 1.4736".

What is the acceptable headspace dimension for 556?


12/11/2010 4:18:29 PM EDT
[#1]
Google:

READ
12/11/2010 4:28:48 PM EDT
[#2]
Thanks!  That is exactly what I was looking for.
AR Sponsor