Who had invented the 22. rifle?

The .22 caliber rifle, specifically the .22 Long Rifle (LR), was developed in the late 19th century. It was created by the American firearms manufacturer J. Stevens Arms & Tool Company, with the cartridge being introduced in 1887. The .22 LR quickly became popular for its low recoil, affordability, and versatility, making it a favorite for target shooting and small game hunting.