OK this is the first time ever using the ff3 I have 2 of them mounted on 2 different guns. Anyways while cleaning guns tonight after getting both guns dialed in to my OCD standard, they needed a good bath so I cleaned them very well, total disasembly anyways I decided to check base screws to make sure they were tight and of course they were not so I removed my ff3 off of mounts to tighten base screws and then reinstalled them. They were not very loose but they needed to be snugged up! So after all the rant my question is.........Will I have any trouble with sight being off or do they stay true? Never messed with red dots till now. Thanks