Wts .50 cal muzzleloader plainsman

[wrchinook]

Don't know nothing  about it.  says muzzloading armory. .50 cal    Spain.  Double set triggers excellent condition  $300 obo. Buckley  area

[bkaech]

I have two questions, does it have a brass butt plate or just wood? Also what about the sights, are the adjustable for windage and elevation,  2 screws (or some other modern type of sight), or just windage, 1 screw?