Why put a red dot sight on your pistol? The Firearm Blog lists 5 reasons to consider... "Ever wondered if there was a reason for putting a red dot sight onto a pistol? In this TFBTV episode, Patrick talks about his top 5 reasons for considering a red dot on your pistol. The fact is, the timer doesn’t lie and every time Patrick has pitted irons against a red dot, the red dot has come out on top.