Go to Ar15.com and search for Bill Springfield.
He did mine. All you have to do is pop out your trigger parts and send it to him. He has a very fast turn around time. It was a pretty reasonable price too. He has the option of going 3-3.5# or 2#. The trigger is way better than stock. I can't remember the price, but I want to say around $70 including shipping. If you are looking to get a good trigger for cheap, this is the way to go.
On the other hand...after shooting my cousins AR with a Jewel, I'm considering going that route one of these days. His was adjusted way too low for hunting, but it can easily be adjusted back and forth.
Basically, if money is a factor, go with Bill. If you have to have the best and money is no object, get a replacement unit.
