Dry fire training definition: the practice of training with your gun with no ammunition present. One of the best forms of training is to dry fire. Ammunition is expensive and time to head to the range is not always available. Centerfire handguns and rifles can be fired dry, with no cartridge in the barrel without ill effect on the gun. If you want to engage in dry fire training: 1 Remove all ammunition from your training area. I recommend putting it in a separate room. You