This is so close to new I do not know why they call it a DEMO... It is 100% what they say it is, a quick detach mount that WORKS. The cam locks are top of the line with actual locks. Quick and easy, does not add bulk to the sighting system at all.
Pros: It is a very well made sight mount!
This review was written in the old system and had content requirements that are different than reviews written today.