Kaylee:
You need to understand what all of this "click" suff is all about, and what each click means:
In a conventional Colt Single Action - or clone thereof:
Click #1 is the trigger dropping into the hammer's (ineffective) safety notch.
Click #2 is the trigger dropping into the hammer's half-cock notch, where the cylinder is no longer locked by the cylinder bolt, and can be rotated for loading or unloading.
Click #3 is the cylinder blot being released to that it can engage the next notch in the cylinder and lock it in alignment with the bore.
Click #4 is the triger dropping into the hammer's full-cock notch, at which point you can pull the trigger to fire the revolver.
A New Model Ruger Single Action (Vaqeruo, Blackhawk, Single Six, whatever) works somewhat the same, but the hammer doesn't normally have a safety or half-cock notch because it doesn't need them. For this reason you only hear 2 clicks - the cylinder bolt releasing, and the trigger dropping into the full-cock notch.
The conversion Jim mentioned adds a half-cock notch to the hammer (among other things) and in effect adds a click - so you have 3 three rather then 2.
Rugger got the message, because the current Vaq's are set up to have 3 clicks.
As a practical matter the number of clicks doesn't matter, except to folks like you that like the old time sound.
The clicks are sort of fun, but I've seen a lot of older Colt's, and a few new ones as well as clones, that have broken triggers and chipped notches on the hammer face. What happened was that the trigger "ticked" either the half-cock or safety notch as it fell when the trigger was pulled to fire the gun. This of course isn't a good thing. Bill Ruger eliminated all of the notches on the hammer face except for the full-cock one for a good reason.
One other thing relative to shooting extra-heavy loads. The Blackhawk frame is slightly stronger then the Vaq's because it has a heavier, square-section topstrap.
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