2. MUZZLELOADING RIFLES & SMOOTHBORE MUSKETS a. Only legal muzzleloaders allowed in muzzleloading seasons. b. In-line muzzleloaders are legal. c. Must be a single barrel that fires a single round ball or conical projectile. d. To hunt deer, pronghorn or bear, conical bullets must be a minimum of .40 caliber, and round-ball bullets must be a minimum of .50 caliber. e. To hunt elk or moose, conical bullets must be a minimum of .50 caliber, and round-ball bullets must be a minimum of .54 caliber. f. From .40 caliber to .50 caliber, bullets must weigh a minimum of 170 grains. g. If greater than .50 caliber, bullets must weigh a minimum of 210 grains. h. Shotshell primers and B.O.R. Lock MZ System bullets are legal.