I use RRA national match triggers in my AR's, not quit like a good single stage but not much different, buy a good single stage drop in for your AR,, then try a RRA NM, 95 bucks vs. 200

If your going through hell, keep on going, don't look back, If your scared don't show it.
You might get out b'fore the devil even knows your there.
(Rodney Atkins)