Originally Posted By: chrome/22
...thinking of a fast twist .223.
c/22


This, in either the vanilla or the Improved version. Hard to top the efficiency. Half the powder of a '250 for a minuscule 15% or so reduction in mv for a given bullet. You'd likely pop more primers accordingly and smile each time. 62X's and slick 75's hit hard in adjacent ZIP Codes. You thinking easy to tote or a chunk?