Hi Mec
Jus waits till ya sees tha h.p. workin. Theys two kinds, ones fer big guns an loads an tha others fer slower guns like tha Colt Army. Bigger an smaller hollows an design.
When ya puts tha BIG h.p. in a big load gun an yer pushin it at 1200 an more feet, LAWDY!!! Grounhogs an such...