The 63 is a wonderful shooter. Had mine since new (mid-70s handgun). Needed a little work from a gunsmith (mostly had to smooth out the chambers to prevent/stop stuck spent shells from ejecting without use of a mallet!). My little revolver has Fuzzy Farrant grips on it (double palm swell, no checkering).

One little "trick" for all rimfire revolvers; I keep Q-tips in my shooting kit as well as a small bottle of Hoppe's 9. Every X-number of rounds (depends on the brand) I run a solvent soaked Q-tip through each chamber. Makes life so much easier. :-)