The nights sights are OK, I like the back one it helps open your view up. The front one is a bit chunky. Its defiantly more for laying down fire rather then knocking off targets. With my reflex sight I think its nice to have on for when im shooting 2L pop or cans, ext.
The A-6 muzzle took the VZ from Great to awsome. I have been considering the special force military break but I have been very happy with the A-6.