I have a kimber conversion that I bought about 10 years ago that have been very reliable if using good quality 22 ammo. Biggest neg
itave conserning the kimber is that it is not designed to lock back after the last shot. The brownell mags will lock the slide back after the last shot . I also have a nelson conversion. It is more accurate than the kimber and is and does lock back on an empty magazine. I have used both on kimber, ruger, sig, and rock island recievers.