I was having POI issues with an older Auto 5. Picked up a Dead Ringer Beard Buster and thought I'd share the results. For $19, I think it's a good alternative for guns that don't have as many easy red dot or scope mounting options.
Here's the link to the pictures and the review.
Link: http://www.bollingercountyalmanac.com (http://www.bollingercountyalmanac.com)
(http://static.squarespace.com/static/5036d23224acfb39faad5b7d/t/514f2f37e4b04c6ad1857d5a/1364143940200/photo-49.jpg?format=750w)