This holster works with both the light attached and without the light. So even if you plan on getting a light later or not using one all the time, this holster will still work for you.
The holster is very secure, it retains off the ejection port, not the front sight, so no worry about breaking front sights.
I'm a competitive experienced shooter, and I'm getting a 1.36 second draw to first shot in A-zone at 10 yards from this holster. That is about the same as I was getting from my old single retention thumb-break holster. No added time for the extra retention and security.
Don't plan on using any type of dedicated pressure switch for your light. There isn't room around the trigger guard for the wire. I had to use the standard toggle on my surefire x200.
Pros: Works with and without light attached.
Cons: Does not work with dedicated pressure switches.
This review was written in the old system and had content requirements that are different than reviews written today.