If you close your eyes and imagine yourself following a well-trained bird dog through an autumn field, there’s a good chance the shotgun you’re carrying in this daydream is a fine-looking over/under.

Heretofore hardly enough gun for butterflies, the .410 has became the hot new ­gobbler- getter. And the credit for that goes to Tungsten Super Shot. Tight-patterning and dense enough that No. 9 shot ...