HEVI-Shot Hevi-XXI, 12 Gauge, 3 Chamber, BB and #2 Shot, 25 Round Box HS38188 This new loading devotes 30 percent of the payload to HEVI-Shot 12 g/cc tungsten pellets (No. 2) and stack them over steel shot (BB). It also features the FLITECONTROL FLEX wad for consistent long-range patterns and is pushed at high velocities.