I just bought this revolver from an auction. I don't have it in hand yet but I will this week. I know it is smoke less because the barrel has 22 RIM FIRE on left side and nothing on right side, not sure on barrel top yet. I understand these old 22's are not made for the likes of CCI MINI MAG rounds with their 1270 FPS velocitys. What about CCI STANDARD VELOCITY at 1075 FPS velocitys. I saw some ammo at 750 FPS but it was expensive. I shoot the mini mags in all my 22's, my Marlin Mod 60 functions 100% with it, so does my Ruger 22/45. After i repair, restore this one, it will be my plinker for backyard squirrels, rabbits, and other pests. The only pics i have are auction pics right now. What ammo would you guys recommend for this?