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Old November 27, 2012, 11:37 AM   #37
F. Guffey
Senior Member
Join Date: July 18, 2008
Posts: 5,581
Bart B. I do not “...must know...”. There are two specs for the 223 Remington, Sammy and Government/NATO, there are two specs for the 308 Winchester, Sammy and government/NATO. I do not wonder why that is, there is the public sector, there the government/military/NATO sector. When Sammy decides to include the 50 BMG into the public sector there will be “SAMMY SAYS” and there will be what the government/military/NATO says.

Then there is ‘always’ the question” What is the difference between 5.56 NATO and 223 Remington?

Gages existed before Sammy, I have had old 30/06 gages that did not agree with Sammy type gages, for me, nothing changed, I measured the length of the chamber, I measured the length of the case from the usual places, I subtracted the difference, the difference was in thousandths, this method meant nothing to no one else but for me I knew the effect the chamber would have on the case before pulling the trigger. And firing pins, my firing pins are mechanical driven, my favorite firing pins hit like a go-rillo.

I know what Sammy says, I know what the government/NATO says, they do not agree, me? nothing changes, I determine the length of the chamber from the bolt face to the shoulder of the chamber, I determine the length of the case from the head of the case to the shoulder of the case.

Old gages, some required the extractor to be removed.

F. Guffey

Last edited by F. Guffey; November 27, 2012 at 12:46 PM. Reason: change 232 to 223
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