BP rules in consistency, and if you're running a flintlock it is the only way to go.
I run BP in my cap locks, flintlocks, and inlines. I've never had a problem with ignition, have great consistency, very good velocity, and if I have half a brain cell at all, no problems on clean up.
America needs to understand that our troops are not 'disposable'. Each represents a family; Fathers, Mothers, Sons, Daughters, Cousins, Uncles, Aunts... Our Citizens are our most valuable treasure; we waste far too many.
