Wheels, dude! Every post response is giving good accurate info. If you could buy an XD, GLOCK ETC... IN 22 RF, WHY SHOULD'NT IT COST THE SAME AS THE CENTERFIRE VERSION. ALL THE SAME STEPS IN MACHINING ARE TAKEN, SAME MATERIALS ARE USED, I HEAR THIS ALL THE TIME ABOUT .22'S, WHY SHOULD IT COST THE SAME AS THE BIGGER PISTOL, RIFLE ETC... DUHH. HOWEVER, IF YOU OWN A GLOCK, YOU CAN PURCHASE A .22 CONVERSION KIT FROM , CIENER OR ENTERPRISE ARMS, MAYBE OTHERS. YOU WILL NOW HAVE THE SAME TRIGGER PULL AND GRIP AS WHAT YOU USE NORMALLY. CONVERSIONS ARE MOSTLY UNDER 250 DOLLARS. THEY DISASSEMBLE AND REASSEMBLE LIKE YOU ARE USED TO. IF YOU SHOOT A 1911, THERE ARE MANY CONVERSION KITS AVAILABLE. RELIABILITY WITH A RIMFIRE IS AS PREVIOUSLY STATED, THE BETTER THE AMMO THE LONGER IT WILL FUNCTION WITH OUT CLEANING. BUT THE PROCESS OF THE PRIMING COMPOUND IN A RIMFIRE HAS NOT IMPROVED FOR A HUNDRED YEARS. IT IS AMAZING IT WORKS AS WELL AS IT DOES. I AM A REVOLVERSMITH, I LIKE S&W'S THE MOST, BUT DON'T POO POO ON RUGER OR TAURUS,THEY ARE HARDER TO GET GOOD RESULTS FROM DUE TO COIL SPRING IGNITION. BUT WHEN DOING A RIMFIRE REVOLVER, THE END RESULT HAS TO TEST FIRED WITH SEVERAL DIFFERENT KINDS OF AMMO, TO MAKE SURE THE RESULTS WILL GO BANG DOUBLE ACTION OR MORE CORRECTLY ( TRIGGER COCKED ).