Please choose the correct ending to complete the given sentence: Sports and Fitness: [header] How to fire a gun [title] Treat every firearm as if it were loaded. [step] There are no exceptions to this rule, not even for empty guns. It is very easy even for professional marksmen to forget whether or not a gun is ready to fire, and the consequences can be extremely serious or even deadly.

Ending1: A firearm is capable of heavy fire from any distance, but the number one exception to this rule is shooting from a loaded barreled weapon. [title] Wait until the gun has finished firing and when all the shots are fired. Ending2: [substeps] If a weapon is loaded before you grasp its handle, you risk pulling the trigger and causing an explosion. The lock mechanism of rifles will or should be fully functional for the job. Ending3: Identify your gun type to take into account as well. [substeps] Shotgun: forty-eight caliber magnum , 98-centimeter high capacity. Ending4: [title] Never point your gun at anything you do not want to shoot. [step] Do not point your gun at your friends, a part of your body, a household pet, the walls of your home, or at your tv, even if you think it's unloaded.

Answer format: ending1/ending2/ending3/ending4