6.5 Creedmoor with R-19 powder

ShamrockShooter

Beginner
Jan 21, 2018
66
0
Sierra manual lists R-19 as being the fastest powder (along with r16 and r17 and superformance) for 140 and 142 class bullets.

I happen to have a pound of R 19 curious if anyone has used it with 140 accubonds or acblr or 143 eldx bullets?
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