What blows on the Barnett? The limbs, riser, and string is the only things that go on any bow. I have had to reserve a few strings due to a problem they (mfg) had and corrected. Since Mi is one of the states that now has hunting open to the xbow I have seen a lot of old Barnetts come out and play, none have blown up during the target shooting. One Barnett Predator has severel 100 shots through it and nothing has changed.