Originally Posted by Dirtfarmer
Originally Posted by okie
Tested in a 7 twist Wylde chambered AR light crimp on the cannelure one powder hovered three shot groups at one inch. That might be as good as it gets with this rifle. Wanna put it on some bone and see whats what. Probably a good utilitarian bullet.

Which powder gave the best group?

DF


IMR 4166


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