AN UNBIASED VIEW OF SMOKELESS POWDER

I'm not positive from the chemical makeup on the material that locked up my .45 Colt Marlin Once i tried to sneak 10 rounds of 3Fg BP through it one day, but 6 rounds in it locked up Using the the blackest and stickiest crap I have ever seen.In my particular belief, no Colt One Motion Military which isn't really stamped as proofed for smokeless pow