What is sp 22 (22 lr.)?

SP 22 (22 LR) is a popular rimfire cartridge designed for small-game hunting, target practice, and plinking. It was first introduced in 1887 by J. Stevens Arms & Tool Company. The caliber is 0.22 (5.6mm) and the bullet weighs 40 grains (2.6g).

SP 22 has a moderate muzzle velocity of around 1200 fps (feet per second) and a low recoil, making it ideal for beginners and seasoned shooters alike. The cartridge is also widely available and economical, making it an affordable option for recreational shooting.

The SP 22 has a relatively flat trajectory and good accuracy up to a distance of 50-75 yards. It is commonly used for target shooting, plinking and small game hunting, such as rabbits and squirrels. The cartridge is also often used for pest control purposes, such as getting rid of rodents.

Overall, SP 22 (22 LR) is a versatile and popular cartridge that has been in use for over a century.