here ya go - buy one of those clear report covers, cut it in half, put a dot in the middle place it in place over the dot of the gunsight, tape it to your monitor and move the head position all the way up - viola.
Will you be able to see those 4-5 g shots - nope. But you will see those 3-4 g shots and have a lot better sense of where he is under your nose on the 4-5 g shots.