30-30 bullets keyholing

Heavier bullets!!

I got a chance to test the lighter loads today and the 110 Gr. bullets are still tumbling, even when loaded at the bottom of the load table, approx 2250 fps. I also tried 125 Gr. hollow points and 150 Gr. round nose and both of them performed well.

I guess I will just give up on the light bullets load 125 granis and up. Thanks to everyone who provided insight and ideas. Dan
 
Years ago I loaded this bullet in for my Dad's Mossberg 810 30-06 with very good results. I would think it has to be the Micro Groove rather than the rate of twist.
 
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