All my serious centerfire rifles are synthetic stainless. I would like the same for a muzzle loader as this last season I was soaked in slush and rain through some of the season. I would like a adjustable aperture sight with max sight radius. I can mount my own if needed but already configured would be easier. I don't care if it is inline or side lock.
All the new ones I see for sale have short sight radiuses and faster twists and not many to choose from. Shopping for used, I see a few stainless but few that meet Oregons restrictions. I did notice models no longer produced that may work, like a Marlin inline percussion.
Any suggestions on some current or past produced models that would meet my criteria?