not totally sure how to feel about that bake. would you mind posting an FPV shot? it's hard to tell from the given angle but you may want to be allocating a lot more tris to the areas closest to the eye in FPV.
Its hard to tell without a FPV shot, But it appears those floats on the back may have baked a shadow around the edge of them. Specifically the top segment, It has a black line over it, That i'd imagine you could just paint out in the AO. I would ad a few more segments to the strap at the point it rests on the stock as…