im looking for advice on putting red dot on my m&p 40..I have fiber on it now but the fiber keeps falling out,doesnt matter what type of glue i use..I would like to go red dot battery powered....ive been searching all the sights for awhile now but cant find any for m&p...Theones I've seen on utube had to have them sent away for machining.I would like to have one that fits into the rear sight valley.I really dont want to machine my slide...if you guys have one on your m&p and are happy with it can you show me some pics




















































