I haven't had a chance to sight it in yet, but I recently picked up a Nikon P223. It's a 3X9 x40. The reticle in it is specifically calibrated for the 5.56 round, and has marks for 100-600 yard targets. I'll try to post pics of the reticle in a minute. Should run about $200
"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