Low and forward is what you want. Power low to shoot w/both eyes open. Big obvious aiming point (reticle). Leupold Scout scope with German #4 reticle mounted as low as possible on XS rail with ghost ring "peep" sight and white line front sight.

http://www.xssights.com/Products.aspx?CAT=8282

http://www.xssights.com/Products.aspx?CAT=8566