Great quality but something to be aware of is the internal clamp could get in the way of unlock mlok screws. You will need shorter screws or you may have to file some down.
I wasn't really a fan of the optic top cover. my only gripe is that if something catches on the rear sight, rear sight will spring forward and hit your optic either denting it or hitting the glass. The ultimak sits low enough for this to only be cosmetic damage
It is a solid handguard system and is actually really good if you have a retainer that causes everything to be loose since it a clamps to the barrel.
my only real complaint about the extended handguard is I wish it had a cut out option on the top cover for a front sight gas block combo. I guess you can always make that mod yourself
It would be ideal if they made something like the Gen 1 extended and I'm locked but with the anti-rotation tab