In tests, rock salt shells go away the muzzle at about 825 ft for each next with 304 foot-lbs . of Electricity. That Seems remarkable until finally you realize that salt is really light, and all of that energy dissipates amazingly rapidly as the salt cloud spreads out. , so https://12-gauge-non-lethal-round22119.celticwiki.com/1827077/the_single_best_strategy_to_use_for_non_lethal_shells