Around WWII, US army conducted time consuming and exhausting tests on several brands of 22 LR ammo with MV=1050-1100 ft/s. In conditions close to standard atmosphere, at sea level, the maximum range obtained for 40 grainers was approximately 1400 yards with bore elevation 25-30°. This was a looong time ago. Have they repeated the tests in modern times of radars aviability with 22 LR ammo manufactured not so long ago?