Youtube rocks. Installed the VQ target hammer and sear, bushings and shims, auto bolt release, plus changed out the hammer, sear and trigger return springs. Then I "re-radiused" the rear of the bolt using 120 grit paper on my belt sander, after which I polished the bottom of the bolt (where it contacts the hammer) on my diamond stone, plus I polished the new radius as well.

Dang that trigger is light. Be interested to put it on a trigger scale. I'd wager it is 2lbs or less.