I know in WW2 battleships and cruisers used blackpowder charges for their main batteries. The cordite charges would not ignite with the electric generated spark, so 1 bag of black powder was placed last in the breach to ignite the cordite.
A forum community dedicated to the great outdoors and hunting enthusiasts. Come join the discussion about hunting, fishing, survival, archery gunsmithing, optics, reviews, accessories, classifieds, and more!