Where most people go wrong, sometimes horribly wrong, is they adjust these factory triggers with to little sear engagement and it makes them dangerous because they will slam/bump fire. Some people will test theirs by bumping the buttpad on the ground to see if the trigger will trip. I use a rubber mallet and give the recoil pad a good smack, if it trips I'll increase sear engagement until it reliably won't.
Nearly all my bolt guns have aftermarket triggers that are set at 2-2.25 lbs and my AR's have CMC 3lb triggers. The only ones that are lighter than 2 lbs are my CZ 527 17 Hornets. They nearly always get shot off of a portable bench shooting sage rats and I have them tuned at right around 10 ounces but they kind of have a special purpose so it's not quite the same deal with them.
