Federal Game load Heavy Field 12ga 4 ShotHard Hitting 12 Gauge Upland Loads Federal Heavy Field Hi Brass The Federal Heavy Field Hi Brass 12 Gauge #4 is a hard hitting upland load built for pheasant, chukar, and larger upland birds. #4 shot delivers larger individual pellets with more energy per pellet than #5, #6, or #7. 5 a better choice when you need penetration on bigger, tougher birds or when shots are running longer than typical close flushing scenarios. The high brass construction