Howdy conversionists,
Sort of along these lines, I have a third model Dragoon. It has a gated .45 (not long) Colt conversion cylinder. I have removed the loading lever and it has no ejection system. No problem. I bent a wire in a 'U" shape and it is tied to my loading block (actually it's a leather bag). It pushes empties out the loading port with no problem. In fact, with the mild cowboy loads we shoot, most of the empties fall right out.
Food for thought (just a snack, not a meal),
Rev. Chase