Originally Posted by Dirtfarmer
Originally Posted by Mule Deer
It's especially useful for heavier bullets from 40 grains up--even 50-grain spitzers if your rifle has a 1-14 twist. Plus, of course, it has a decoppering agent.

My CZ is 16 twist, so don't think it'll do very well with heavier bullets, probably 40 gr. tops.

DF


Exactly. My K-Hornet had a 1-16 twist, and even on a warm summer day at 4200 feet above sea level, groups with spitzers heavier than 40 grains were in the 4" range. But the velocities were impressive!

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