10- and 12-gauge magnum history 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 ...

So, the 10 gauge boom was due more to a perceived inadequacy of the 12 gauge, not an actual one. A Rise in 3.5-Inch 12 Gauges In 1988, Mossberg’s Ulti-Mag 835 pump shotgun debuted as the first ...