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Harry Bonar · March 13, 2013, 01:20 PM

Sir;
The loading manuals make no distinction between the two, but the nato round pressure is supposed to be 50,000 C.U.P. and the 308 is around 52,000 C.U.P. and, furthermore the headspacu guage for the nato is slightly more allowable than the 308.
Great deals have been made about this but there is no difference for all intents and purposes.
Greywolf

March 13, 2013, 01:20 PM	#20
Harry Bonar Senior Member Join Date: December 5, 2004 Location: In the Vincent, Ohio general area. Posts: 1,804	308 and 7.62X51 Sir; The loading manuals make no distinction between the two, but the nato round pressure is supposed to be 50,000 C.U.P. and the 308 is around 52,000 C.U.P. and, furthermore the headspacu guage for the nato is slightly more allowable than the 308. Great deals have been made about this but there is no difference for all intents and purposes. Greywolf