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Jimro · March 11, 2012, 05:08 PM

Start at 41.5 grains of powder. If you are happy with the accuracy stop there. If not keep working up.

I use 41.5 grains IMR4064 under 168gr bullets and it does just fine.

175 GR. SIE HPBT IMR IMR 4064 .308" 2.800"
41.5 2500 45,200 PSI 45.6C 2728 59,500 PSI

Jimro

March 11, 2012, 05:08 PM	#2
Jimro Senior Member Join Date: October 18, 2006 Posts: 7,097	Start at 41.5 grains of powder. If you are happy with the accuracy stop there. If not keep working up. I use 41.5 grains IMR4064 under 168gr bullets and it does just fine. 175 GR. SIE HPBT IMR IMR 4064 .308" 2.800" 41.5 2500 45,200 PSI 45.6C 2728 59,500 PSI Jimro __________________ Machine guns are awesome until you have to carry one.