12 Gauge 2 3/4" Rock Salt and Pepper. The Rock Salt and Pepper round contains both rock salt and an Israeli Pepper Blast compound. This combination makes the round much more effective than the competition's regular rock salt. It is used for less than lethal force. Due to the light weight of the shot material it should be used at distances of not less than 20 yards or more than 50 yards from your target. Upon target contact the rock salt crystals will break the skin and create a stinging sensation and the pepper compound will burn like hell's fire. Perfect for home defense or animal control where you are looking for less than lethal. We have brought rock salt to a whole new level by combining our Israeli Police pepper compound with the rock salt. Not Grand Pa's rock salt. 5-cartridge pack.