The .22 Long Rifle cartridge has a long and rich heritage, and it is superb for target shooting and small-game hunting. As a self-defense loading, it has several major shortcomings. There are very few realistic situations where it can be considered viable.
To its credit, the .22 LR produces only slight recoil, facilitaing easier follow-up shots. The size of the cartridge allows it to be chambered in smaller pistols. Ammunition is cheap and widely available, and in countries that ban civilian use of service calibers, it may be the only alternative available.
Balancing out its meager virtues, one must consider the fact that rimfire ignition can be unreliable. Quite simply, you’re going to have duds. This is patently unacceptable for a platform that should be expected to perform under unpredictable and dire circumstances. A gun that fails in the face of violence is the most dangerous thing you could possibly hold in your hand. Continued...