Most popular cartridge in the world. Affordable, low recoil, versatile. Used for training, plinking, small game hunting, and Olympic competition.
Type: Rimfire
Introduced: 1887, United States
Parent case: .22 Long
Standardization: SAAMI
Bullet diameter: 0.223" (5.66 mm)
Case length: 0.613" (15.57 mm)
Overall length: 1" (25.4 mm)
Max pressure: 24,000 PSI
Rim type: Rimfire
Primer: Rimfire
Typical twist rate: 1:16
Muzzle velocity: 1085–1750 fps
Muzzle energy: 100–200 ft-lbs
Effective range: 150 yd
Common bullet weights: 30, 36, 38, 40, 45 gr
Primary use: Target, Plinking, Hunting, Competition
Production status: Active
Also known as: .22 LR · 5.6x15mmR
History: Introduced in 1887 by J. Stevens Arms. Evolved from .22 Short and .22 Long. Over 2 billion rounds produced annually. Every shooter's first cartridge.
Notable firearms: Ruger 10/22, Browning Buckmark, Marlin Model 60, Walther P22
Military use: {"country":"Various","years":"1900s-1940s","conflicts":["Training use"]}
Similar cartridges: .22 WMR, .17 HMR