Why did my Muzzle Loader accuracy get worse? Savage Moderator April 11, 2013 20:31 Follow Many factors can affect the overall accuracy: non-recommended load or loading technique non-recommended primer constricted breech plug worn vent liner bulged barrel Related articles What are the recommended loads for black powder and Pyrodex for a muzzle loader? What does HMR stand for? Where can I buy parts for my Savage firearm? Where is the 350 shotgun made? Which Savage model stock will also fit the Stevens model 200?