Types of shotguns are classified by their action, which is their operating ... 16-gauges lost its popularity when the 3-inch 20 gauge appeared in the 1950s, allowing the 20 to match 16-gauge ...

A good deal on a slightly used Winchester 1200 20-ga. pump-action shotgun showed up at a local ... of shot in the 20 gauge. A few include Winchester Super Field and 572 and Hodgdon Universal ...

Shared features of the 590 platform and the new 590R include non-binding twin action bars; positive steel-to-steel lock-up ...