The .22 LR, or .22 Long Rifle, is a popular rimfire cartridge known for its versatility and low recoil. It is commonly used for target shooting, small game hunting, and training new shooters. The cartridge typically features a bullet weight of 30 to 40 grains and a muzzle velocity of around 1,000 feet per second. Due to its manageable power, the .22 LR is often the first choice for beginners and is widely used in various firearms, including rifles and handguns. Its affordability and availability make it a staple in the shooting community, appealing to both recreational and competitive shooters.