Sure, .22 LR has been a bit hard to come by over the last couple of years. That’s a change from the norm, of course, where .22 LR was the choice for inexpensive practice. While owning dedicated .22 firearms is great — great for collecting, for fun, for plinking, hunting, and target shooting — .22 conversion kits are often the best option for legitimate practice. That is, for the purpose of gaining familiarity with a primary, centerfire firearm but doing so with inexpensive ammo. At the very pinnacle of the conversion kit game is CZ’s Kadet Adapter for CZ 75-based pistols. . .