Snubs are sort of like herpes. Once you get them, they never go away. You might have a period of time without them...but they always come back...
ETA: Anyone running a .22 Snub, I encourage folks to try out some match grade ammo from Lapua, SK, Eley, or RWS. Far more consistent rim thickness in Olympic Match grade ammo. You can consistently get Match ammo from Champion's Choice or Graf's.