You’ve come to the point in your wingshooting career—a place we all hit at some time, or multiple times along the way—when you think your superb shotgunning ability has far outperformed the gun you currently carry. You likely came into this bird hunting business with a rugged 12-gauge gun that has seriously sored your shoulder over the years. Truth be told, hauling that hulky, seven-pound, hand-me-down heirloom has undoubtedly left you in the best shape of your life. But now you’ve resolved to abandoning that bruising ironclad plank of a shotgun for a smaller and superior sub-gauge shooter, to lighten your load, and perhaps, more appropriately match your...