I never got into the cowboy shooting but had a couple single action revolvers though.

Ruger Bisley Vaquero .44 Mag.
Ruger Blackhawk 50th Anniversary .357 Mag. (2x)
Ruger Single Six .22LR/.22MAG.
Ruger Bearcat .22LR

Do you see a pattern? <img src="/ubbthreads/images/graemlins/grin.gif" alt="" />