I used a muzzle loader for the first time last year. Trying to fill a tag I was patient on during the regular firearms season. It was my first experience with a muzzle loader, and believe me, it wasn't pleasant. I knew how they worked, I knew how to load them, I know a lot about them, but I had never shot one. 7:30 am, a group of does come wandering in. They stop at 30 yards. I picked out one that looked like it would taste pretty good with some mashed potatoes. Took aim, fired and...smelled some of the powder burning, but not enough. Obviously, I couldn't do anything about the situation at that point and time, except kept my gun pointed at that doe, because I was hungry. Eventually, 5 minutes or so I figured that was enough. I needed to figure the situation out. The first triple7 had a ring burned in it, but the whole thing didn't burn. The one closest to the bullet did not burn at all. Before the weekend was over, I ended up firing at 3 other deer, without a problem. I'm convinced that it had to have been the primers. If I were you, that's one of the first I would take a serious look at, that's what I did, and haven't had a problem yet. Same set up as you. Gun, primers and powder.