ruger american predator stock

Hello All, I inherited a Ruger as described in the subject line from my late father. I've heard nothing but bad regarding the rotary mags and the rubber stock, but the rifles aren't bad to shoot. So...is there an aftermarket option as far as stocks equipped with AICS 223 mags that is a...

Brand new stock and magazine off a 6.5 Creedmoor Ruger American Predator. This is the heavier contour barrel version with the AR style magazine and the stock is Moss Green. No idea what the "value" is for something like this so I'll thrown out $125 obo.