You can do it. I believe in you. I think the stand is doable actually. If you wanted something that could be used for multiple units I would go with the redcoats skeleton. All the gunpowder units are missing the RClavicle bone for some reason. Except the redcoat. Then modify the gun to look like the musket with the stand. Then add a bone for the stand. Then add visibility controllers to the rest of the kfs to make it invisible when not in use. No animating the human required.