"First, if you are not used to shooting an RMR, the learning curve is greater than the Triclops. Second, the Triclops is faster, especially at close range within seven yards. If the front sight is in the box, you are going to get torso hits. For a self-defense perspective, or for law enforcement, this is a big bonus." 

International Sportsman

https://www.internationalsportsman.com/triclops-sights-review-new-sights-for-old-glock/

MORE COMPACT AND DURABLE THAN RED DOT