Editor’s note: As hunters and anglers, we don’t agree on everything. We’ve even been known to argue on occasion. That’s why this week is all about figuring out who’s right and who’s just plain wrong.

In the late 19th and into the 20th century, the 10-gauge was in widespread use as an all-purpose shotgun for hunting ducks, upland birds, and small game, much as the 12-gauge is today. It had a 2 ...