.22 Long Rifle is a sport and practice caliber used by millions of beginners and lifetime shooters alike. Hundreds of plinking rifles, varmint guns, and target pistols come chambered for the rimfire cartridge. It is incredibly cheap and available in large quantities almost everywhere in North America. In No More Room in Hell, .22 LR comes in boxes at a minimum of 1 and a maximum of 20 rounds per box. As a cartridge .22 LR ammunition has a very low damage output and low range performance.
.22 LR ammunition is used in the following weapons:
- Ruger Mk. III - a maximum of 10 rounds per magazine.
- Ruger 10/22 - a maximum of 10 rounds per magazine.