Probably the most popular caliber firearm in most of the world. Many of us have more than one. They also are very collectible and still cheap to shoot.
(The military trainer posts have been added here from a previous forum.)
....at the range tonight, most people left early and i had the place to myself and the .22 Lampagyar trainer rifle.
I had a box of Remington Target and various military targets scaled down for the range.