IF you want something that is period correct, then you need to find a good set of cross sticks for suporting the rifle. If you do not want to attach anything to the rifle then you need to go to your local gun shop and see what types of sun rest/supports they have avalible. I would recomend this to start with as it will give you a much better support for the rifle till you know how well your rifle will shoot, at the rianges you are looking for. Then I would go the the Sticks and learn the way to shoot twith them.