I have two, one with open frame and one with closed frame. For target shooting I would recommend one with closed frame like the Rogers and spencer or Remington New Army, both in .44 cal. With stout loads and conicals you can use them for hunting too.
If you want to properly preserve velvet antlers, you will have to inject & brush them with formaldehyde or some of the new less toxic chemicals (4 in 1 solution works great as does Knobloch's antler in velvet tan) as its easier to use however, both will work.
First, using rubber gloves take a razor blade and make small incisions at the tips of all points about 1/8". Next hang the antlers upside down, allowing the blood to drain. Starting at the bases inject the solution into the...