Not considered to be very effective against Zombies. Because for at least a little while (maybe too long), you have flaming walking dead still coming toward you. Of which could ignite other things thus limiting escape.
Hornady SST Sabot Slug 12 Gauge, it delivers true 200 yard accuracy and you'll achieve sub-2" groups at 100 yards. The 300 grain FTX projectile lead and fires it at a blistering 2000 fps. The sharp point increases the ballistic coefficient of the FTX, allowing it to fly faster, farther and on a flatter trajectory. On impact, the Flex Tip initiates expansion at all velocities.