I think replacement aftermarket tubes are about $20 each. Factory ones may cost a little more. I'm not sure how much someone would be willing to pay for them though, as most people have them, but you could always offer them for X amount OBO and see if you get any takers.
A forum community dedicated to Shotgun owners and enthusiasts including the Remington, Beretta, and Mossberg shotguns brands. Come join the discussion about optics, hunting, gunsmithing, styles, reviews, accessories, classifieds, and more!