Yeah, YouTube has them. Here is the original Ruger manual
http://stevespages.com/pdf/ruger_redhawk.pdf Sights and piles of accessories:
http://www.brownells.com/search/index.htm?k=Ruger+Redhawk&ksubmit=y&f_a=13 I'd recommend some sights, but sights are often personal preference. I happen to like a square target sighted rear and Patridge front, all black.
Some like an express/shotgun bead, which is available, or colored inserts, white outline, white line, etc...