My understanding is there is a huge difference between black powder and pyrodex or 777 in the loose form. Where as I don't think they make a black powder pellets black powder is by itself. it may also have something to do with the combustion space available. you can compress a loose powder and pellets not so much. I think its the same as the difference in smokeless, ball or extruded powders. Basically I think it all comes down to burn rate, combustion chamber volume, and weight of projectile. I think somewhere on the can of pyrodex it said what to use if you were using X number of grs of black powder. probably of no help huh? |