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SSA · February 26, 2013, 07:54 PM

The Sierra manual that's on the disc with the old Infinity ballistics program I have shows
20.6 to 25.6 grains AA-No.9 with the 180 grain jhc.

February 26, 2013, 07:54 PM	#10
SSA Senior Member Join Date: August 1, 2010 Posts: 641	The Sierra manual that's on the disc with the old Infinity ballistics program I have shows 20.6 to 25.6 grains AA-No.9 with the 180 grain jhc.