so I wound up getting 26 silver and copper bullets. I also bought some beads to replace the ghostrock cardboard I had. I bought the Cowboy hats so we could "Mark" targets. I bought Revolvers to represent Wanted. "Cuz Guns r bad M'kay?" And also got the miniature red and Blue Pokerchips all from Meeplesource.
Thanks everyone for you suggestions. I have an 11 year old who wants to play which is why I need all of the different visual cues.
Glad you found bits that work for you. Just in case anyone else is still looking, I have an alternate suggestion:
.22 "snap caps". Here's an Amazon link. I found mine cheaper in a bulk bag at a local gun shop; check around for the best price.
A couple of coats of metallic spray paint (brass or silver/chrome) and they look great! (I did mine two-tone: Dark steel metallic on the "bullet" and antique gold metallic on the "cartridge". Looks really sharp.)
I just saw these, too; the aluminum ones look pretty nice out of the box: