$650, Want to trade my S & W .357 Mag. Model # 60-15 for AK AR very nice SKS, other fun trades welcome

I am wanting to trade my S & W .357 for a fun stuff like a: Saiga 12, AK or AR of equal value, or a very nice SKS... Open to other similar trades of equal value..Prefer other semi-auto rifles! Or best cash offer $650obo..