I have the Hunter Hogg-It sight and I'm more than happy with it. I've not had any issues with the screws vibrating loose though. My only initial concern was the length of fiber on the sight pins. At first I was skeptical that just 3" was enough but I quickly learned it was plenty. I used to have one of those sights with 3ft of fiber and were extremely bright. With the Spot Hogg I've found it to be bright enough under most conditions. But just in case I have the sight light for backup.