Can a 22 Kill a Deer? Before we talk about why you shouldn't hunt deer with a 22, let's address whether or not a 22 can kill a deer. Yes, a .22 caliber rifle can kill a deer, but this doesn't mean it is a good idea. A .22 is too small and lacks the energy to deliver a quick and humane kill. It is one of the worst deer hunting calibers.. Many new hunters ask the question, "can a 22 kill a deer in most states?" A .22 is a specific caliber of rifle used in certain varieties of hunting and target shooting at normal hunting ranges. Honestly, it is possible to kill a deer with a .22. However, it's not recommended for the average marksman, and it's certainly not an easy task.
Technically speaking, it is possible to kill a deer with a .22 caliber rifle. The .22 is a small caliber firearm that, if used at a close range and targeting a critical area, such as the brain, could potentially result in a kill. However, it is widely acknowledged that a .22 does not have the power or reliability needed to humanely kill a deer.. The simple answer is yes — the .22 Long Rifle is a lethal firearm cartridge. Consequently, the .22LR is more than capable of killing an animal the size of a deer. A longer and more detailed answer requires a discussion of deer anatomy, wound ballistics, and .22LR loads, so let's get straight to it…