Pistol Mounted Red Dot Sight Failures and How to Deal with Them

One of the things I’ve noticed after talking with folks about pistol mounted red dot sights, is that not everyone is aware of types of failures that may occur with an RDS and how to deal with them. Spoiler: back up sights aren’t necessarily the answer. Let’s explore front sight obstructions, rear sight obstructions, and complete RDS failures.