Penetration damage, particularly through wood, is too low. It's a combination of unrealistic and frustrating - I'm surprised there wasn't a thread about it already.
This video shows an example of a hitmarker from a rifle to the chest from extremely close range, due to 2 inches of wood:
Sorry for dodgy quality, lack of hit feed thing and the voiceover, the video wasn't made for this initially. Note also you can see the weird animation from proning also with the guy at the end of the trench (appearing to be aiming/firing up when actually aiming forward) - but I gather devs are already aware of that.
Shoot through thin wood.
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