I had one for awhile and it was fun, but I can see why people don’t like them.
The front sight post is too thick for precise shooting, and that ruins what is arguably the best set of iron sights on a battle rifle. It also can’t be swapped for a plain front sight because it’s a unique height. The solution is switching the entire compensator/front sight assembly for the kit from SEI, but that can get expensive.
6” less barrel means less muzzle velocity and an increase in muzzle blast/flash. ZQI .308 threw a beach ball-sized fireball, which looked Hollywood-cool, but was a distraction.
The ‘Scout’ scope mount is an interesting concept, but mainly served as a place on which to burn my thumb when the barrel got hot, which didn’t take long. My TRS-25 withstood the heat while mounted, though it didn’t stay on too long before I sold the rifle.