How much is an American Gun Company 410 shotgun worth?

The condition is very important. For example, for American Gun Company, double barrel 410 with exposed hammers, if it's broken, rusty, or just plain used-up, $50 or less. If it's in near mint condition, it could go up to $400. Most in "average" condition will go for $200-$250. If it were a larger gauge it would only bring about half as much, but 410's seem to be popular right now.