Winchester’s subsequent ads christened it “The Perfect Repeater.” Brought out in 1913 as the Model 1912 and priced ... Initially only chambered in 20 gauge, 12- and 16-ga.

Winchester’s Model 12 slide-action ... Two years after its introduction, it was available in both 12 gauge and 16 gauge. The 12-ga. “trench” model with 20” cylinder-bore barrel, perforated ...