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10/29/2005 7:02:59 PM EDT
I have two rifles, 1 a Bushmaster Shorty, the other a build.  I got some headspace gauges today and wanted to try them out.  Here is what i found:  Both rifles close on the Forester .223 NOGO Gauge, both rifles DO NOT close on the Forester .223 Field gauge.  Both barrels are chambered in 5.56........is this alright?  I would think a "close" on a NOGO would be bad, but with both rifles????  Also both rifles have less that 1500 rnds through them.  Thanks
10/29/2005 7:14:48 PM EDT
[#1]
Headspace covered here

and here

www.ar15.com/content/page.html?id=71

military chambers will often take civilian NOGO gages
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