3 or 4 years ago I spent couple days playing with different brands of powders,I had just a little swiss 3 f,geox,shutzen, Graf's,and old ensford, pyrodex p,pyrodex rs,tripple 7 2f,and 3f, I was shooting a ruger old army,a Remington navy, a colt 61 navy, a colt 62 police with 5.5" barrel a colt...