Hey Guys, I have been searching without much success, I have a LMT FSB with a Troy flip up rear sight I have it sighting in at 25 yards all we have here is a indoor range, I had to lower my front sight post about .80 down past level, is this normal ? thanks for all your help .
How many clicks was it?
10 clicks in
.80 is not normal. That’s more than 3/4 of an inch! 
Sorry 0.80 10 clicks in
Is it an f-marked fsb?
No F-mark it is a LMT I brought a compleat weapon
No, he is asking if the FSB has an F stamped on it. This designates the correct height sight for a flat top upper.
As I stated no F- mark a lot of LMT are not marked
That’s weird, mine was.
No offense but 0.8 = .8. What you’re looking for is 0.08 
If its not bottomed out should be ok. Sometimes you see rear sights over to one side a little. 10 clicks doesnt seem that bad. Should be able to just use the rear sight adj. now that its sighted in. Does this seem like a lot to you guys with the ubur exp.here??