Drop in Conversion cylinder for Ruger old army 45lc $old by Dave Thomas | Apr 14, 2024 | Used Guns - Southern Oregon, used hand guns, Used Hand Guns - Southern Oregon | 0 comments Here is a great addition to your ruger old army 44 cal revolver with this cylinder you will be able to shoot 45 lc ( cowboy loads as recomended by the manufacture of this cylinder) New in the box with instructions.