Where can you find a forearm for a12 gauge double barrel double hammer American gun company shotgun?

To find a forearm for a 12 gauge double barrel double hammer shotgun from the American Gun Company, you can check with specialized gunsmiths or firearm restoration shops that focus on vintage firearms. Online marketplaces such as GunBroker or ArmsList may have listings for parts. Additionally, forums and groups dedicated to vintage shotguns may connect you with collectors or sellers who have the specific part you need. Always ensure that any parts you acquire are compatible with your specific shotgun model.