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cobra81 · February 15, 2006, 04:01 PM

You've touched on an issue I had not yet considered.
I am sizing with a Lee .309 die. Bullets drop from my Lee mould at .310-.311.
I wasn't aware of MicroGroove's penchant for oversize bullets. Maybe I'll pick up a .311 sizing die; they're cheap enough. Just get the GC crimped on and leave 'em as cast. It would be great if I could keep the velocity around 1600 and improve accuracy through oversizing. And who knows, it may be good medicine for my Savage 110 .30/06, too! I never have been thrilled with the accuracy of cast bullets in that rifle, either. Thanks for the ideas....also, I checked the print date on my Lyman cast bullet manual: circa 1980 although in it's 12th printing.
~cobra

February 15, 2006, 04:01 PM	#6
cobra81 Senior Member Join Date: February 18, 2005 Location: Land of Lincoln Posts: 336	You've touched on an issue I had not yet considered. I am sizing with a Lee .309 die. Bullets drop from my Lee mould at .310-.311. I wasn't aware of MicroGroove's penchant for oversize bullets. Maybe I'll pick up a .311 sizing die; they're cheap enough. Just get the GC crimped on and leave 'em as cast. It would be great if I could keep the velocity around 1600 and improve accuracy through oversizing. And who knows, it may be good medicine for my Savage 110 .30/06, too! I never have been thrilled with the accuracy of cast bullets in that rifle, either. Thanks for the ideas....also, I checked the print date on my Lyman cast bullet manual: circa 1980 although in it's 12th printing. ~cobra