Both my brother and I had shot opportunities bulls this fall for muzzle loader elk.
My brother pulled the trigger and the cap went off, but the charge didn't. Adios bull!!!
Mine was even worse. I actually missed. Reloaded and crept ten yards closer, took a rest on my knee, aimed....and MISSED again. Adios bull!!!
Went back to camp and took an off hand test shot at a soda can at 40 yards and nailed it dead center.
That night while cleaning the rifle I found the problem. My rear sight had been knocked loose and broken. I had the TruGlo fiber optic sights on the gun. Anyway I had knocked it on a tree or something and broken them. If I touched the rear sight it would move all over. Turn the rifle, the sight would move. Pushed to the right the rifle was dead accurate, any other position I couldn't hit the broad side of a barn.
I tried to superglue the sight back into place for the remainder of the hunt, but I never had another shot opportunity.