Looking for the best powder for a 20" barrel that not too temp..sensitive and accurate out to 1K. Playing with BL-C-(2) for now with 168gr(A-Max) looks promising, want to move up to 178gr A-Max. I also have a pound of CFE-223 haven't tried that yet, just loaded some 155gr Palma's. If i was going to stick to one weight bullet like the 178GR A-Max, what powder should i be looking at? RL-17...Varget...IMR4064... What?? Will be adding up your votes and buy the powder to try. Thanks guys