The .22 Long Rifle Ammo, or simply the 22 LR Ammo, is a 22 caliber rimfire cartridge created in the United States. The .22 Long Rifle Ammo is used in multiple rifles, pistols, smoothbore shotguns, revolvers, and submachine guns. This bullet is considered to be the most common type of cartridge in the market and is widely used for both target shooting and hunting. The .22 Long Rifle Ammo is extremely popular amongst both the novices and the experts because of the low mild recoil it offers and the low levels of noise it creates, making it perfect for repetitive shooting. The overall length of the .22 Long Rifle Ammo is 25.4mm, and the bullet diameter of this cartridge is 5.7mm. The lightest variant of the .22 Long Rifle Ammo is a 30-grain bullet that can travel at a velocity of 1,640 feet per second while creating an energy level of 191 ft.lbf.
The .22 Long Rifle Ammo originated in the United States in 1884. It was designed and developed by the Union Metallic Cartridge Company.
The .22 Long Rifle Ammo is used mainly for hunting tiny pests and vermin, sports target shooting, plinking, and an inexpensive training session for the novices. Because the .22 Long Rifle Ammo can fit into tiny, concealable handguns and revolvers, it is also used for defense in many regions.