There are three different versions of the vaquero grip frame i know of. Call ruger with your serial number and they will be happy to tell you which frame you have. Then you can find grips.
Installation is one screw and easy to do. Just dont over tighten they can crack
"Gun control: The theory that a woman found dead in an alley, raped and strangled with her panty hose, is somehow morally superior to a woman explaining to police how her attacker got that fatal bullet wound." — L. Neil Smith
The problem with being stupid is you cannot simply decide to stop doing dumb things...
"I crapped my pants to avoid the draft!!" -Ted Nugent