Think you can handle the recoil from the largest-caliber rifle in the world? Do you like shooting big cartridges that has a huge kick? Probably one of the biggest cartridge in the world is the .950 JDJ. It is .95 inches in diameter, and weighs a stout 3600 grains (8 ounces, half a pound) and uses 240 grains of powder to push this bullet at 2,100 fps. The bullet costs $40 a piece. (ouch!) The guys from "Knight Rifles" had a chance to take this out to the range to shoot one. This bullet generates 38,685 lbs/ft of energy. It...