RE: looking for a modek 37 ithaca slug barrel
Irish sorry to hear of your friends bout with cancer.I would suggest watching different hunting forums Classified ads.One's bound to pop up.You can check Cabela's &BassPro. They sell Ithaca barrels.You might watch gun auctions and gunsamerica.It shouldn't be hard to find the barrel you're looking for. Good luck in your search.
Ruger Redhawk