Add me to the list of the more-than-satisfied customers who have bought John Holliger's tuned Rock River Arms two-stage trigger.  I installed mine last night.  It works incredibly well!  Compared to my Bushmaster factory trigger which I couldn't even measure on my trigger pull gauge because it didn't go that high (I'm guessing 8~9 lbs.), this trigger is perfect.  I can't wait to give it a try on the range. Best $115 I've spent in a while.  Thanks John and RRA.