Lyman Load Data Book 16,20 and 28 Gauge, .410 Bore
20, 28, 410 Gauge Shotgun. Data included for: 20 ga 2 3/4" Lead Shot Data; 28 ga 2 3/4" Lead Shot Data; 410 Bore 3" Lead Shot Data; 410 Bore 2 1/2" Lead Shot Data.