NDIH but seems like it might be a great price
https://www.armslist.com/posts/14541487/portland-oregon-handguns-for-sale--gary-reeder-ultimate-backup-ii
Like these?
http://www.ebay.com/itm/Ruger-Red-label-12ga-Forend-Forarm-PL8-/262789665054?hash=item3d2f7c111e:g:7iYAAOSw9GhYasNq
http://www.ebay.com/itm/Ruger-Red-Label-12-ga-Forend-Walnut-New-/122296357291?hash=item1c796e51ab:g:kVIAAOSwAvJW-QmQ