AN UNBIASED VIEW OF SMOKELESS POWDER

I'm not sure of the chemical make-up on the material that locked up my .45 Colt Marlin After i made an effort to sneak 10 rounds of 3Fg BP by means of it at some point, but 6 rounds in it locked up Using the the blackest and stickiest crap I've at any time witnessed.With classic powders, I did check out some vintage loading manuals and located some