My 1894, 44 Mag, loads fine if you work the action with so authority. If you do it slow, the round does not want to clear the magazine tube and it will jam. It jams with the end of the round tilted up. Loosing the lever screw will give it just enough play for it to clear. Is this the Marlin Jam with only one round involved? Don't have the COL with be but the boolit is seated to cover all the grooves. Any ideas?