HEVI-Shot HEVI-SHOT, Hevi XII, 12 Gauge 3, #4, 1 1/4 oz, Lead, 25 Round Box HS53304 THE ORIGINAL HEVI-SHOT, now in a 25-round box. Introducing Hevi-XII. Shoot three shot sizes smaller than steel for the same lethality with 28% more tungsten pellets on target. Pack Hevi-XII in and walk out carrying extra weight.