@danutz_plusplus Do you already have a sharpshot bow? I'm checking the notes in the game, and I see the gullet (what's under their neck) and the cargo sack (on their back) are both weak to all attacks. The default bow isn't very effective, but the sharpshot can make a lot of difference (both in damage and tear). Even more if you mod it. You have to compare the damage you can do with fire/freeze arrows (simple hunter bow) and with the sharpshot regular arrows.
You can also use a sling to shock them. I waited a lot before using them, maybe too long. Or you can use the tripcaster, but I've always found that a little hard to use in the open.