I bought 20# of the old lot of Prima V. With Xtreme 147 plated, not the heavy plated, I had to go to 3.5 to get to 135pf. I'm out of coated bullets right now, but hope to be able to go down to 3.1. Wow, it's clean.
When end I get thru the Prima V, gonna try Red Dot again. I used 4#, & liked it.