looking for Mossy 535 rifled barrel

[hunt12ga]

I'm looking around for a blued or matte cant. slug barrel for my 535. I have found them on WalMart's website for $170 including a 'bore sighted' cheapo Bushnell scope. For that price I guess I could get it and replace the scope, but I was wondering if I could find one cheaper without the scope included. Anybody seen them around? The receiver is drilled/tapped and I have a rail and rings for the shotgun too, so I guess I would be interested in a standard slug barrel with rifled sights (haven't seen those either). Anyone have any ideas that would be less expensive than $170?

rw