Plz brainliest answer why is it important to ensure your muzzleloader can handle modern smokeless powder as a propellant? a, using smokeless powder will cause the barrel of the firearm to rust if the firearm is not designed for its use. using smokeless powder will cause the barrel of the firearm to rust if the firearm is not designed for its use. b, using smokeless powder can cause serious injury to the shooter if the firearm is not designed for it. using smokeless powder can cause serious injury to the shooter if the firearm is not designed for it. c, using smokeless powder in a firearm that is not designed for it can reduce the overall accuracy of the firearm. using smokeless powder in a firearm that is not designed for it can reduce the overall accuracy of the firearm. d, if the firearm is only designed for black powder, smokeless powder will not be ignited by the primer. if the firearm is only designed for black powder, smokeless powder will not be ignited by the primer.