From English - German Ding/FreeDict dictionary ver. 1.9-fd1:
muzzle loader /mˈʌzəl lˈəʊdə/
Vorderladerbüchse <fem>, Vorderlader <masc> [hist.]
see: rifled gun, rifle, rifled guns, rifles, biathlon rifle, superposed rifle, Flobert rifle, free rifle, hunting carbine, boar rifle, short rifle, carbine, percussion rifle, deer rifle, deerstalker carbine, deerstalker, repeating rifle, repeater, magazine rifle, target rifle, match rifle, schuetzen rifle, gallery rifle, sporting rifle, flintlock rifle, light rifle, gallery rifle, parlour rifle, parlor rifle, needle rifle, needle carbine, automatic rifle