smk

190gr SMK 30 cal - 500 ct - $150 shipped conus

I just picked up a Dell X5 and installed ExBal on it and started to get it set up. I see several guys use .800 for the BC instead of the published .768. My question: Does anyone use the multiple BC setup or is it best to just try .8? I only have a 26" tube, so the 300SMKs are only doing...