I personal still dislike the head in his hand on the cover... and... I still would change the direction of his view. But ... your decision.

What I damn like is this tiny pretty fckn cool head shoot effect. I think, beside all broken limbs, brains, hang out organic stuff... the exploding head must be one key element of all splatter events. This is one of the most shocking element in a horror scenario.
And what I really like - is the sniper head shot. Soooo fckn cool.

This was one of the cooles parts in the new rambo movie. The green sniper view and the following half head. Maybe you can include this gory effect. Just blow the half head away?