A muzzleloader's any firearm into which the projectile and usually the propellant charge's loaded from the muzzle of the gun (for example from the forward, open end of the gun's barrel). This's distinct from the more popular modern design of breech-loading firearms. Modern muzzleloading firearms range from reproductions of sidelock, flintlock and percussion long guns, to in-line rifles that use modern inventions such as a closed breech, sealed primer and fast rifling to allow for considerable ac… (More on Muzzle-loading)