it's worth whatever people will pay for it. put it on ebay at .99 with whatever shipping costs, and let 'er rip. the barrel could fetch quite a it...i could see it selling for $40 on ebay. it looks to be in pretty nice shape too.
i'd keep it if it were me.
Thanks for your input. It would be cool to build a red, white and blue patriotic mag with that barrel.
Very Patriotic.