Ok, the second CZ75b MCARBO kit is installed in my polished stainless CZ75b. This was an easier install once you have some practice. The large flared trigger pin came out easily, and it looked like I could reuse it, but I installed the CGW floating pin.
The end results are very impressive, just as my other 75b was. My digital luggage scale attached to a coat hanger says SA is at ~3lbs and DA is at ~7.7lbs. No polishing or cleaning done, just remove and replace. This trigger on the stainless gun has very little creep compared to my other 75b. So this trigger has a little more pull weight in SA and DA than the other one, but due to less creep than the other one, feels better to me. Both triggers are big improvement over stock.
I'll run 200rds through it Monday, and then go back Tuesday or wednesday and run another 200rds.