My POA is very dependent on what load I am using...one may be a low hold versus a higher hold based on the shell....I have noticed I have to glue my head down to the stock since I have a single bead on the front...I tried the tru glo sights (stick on) but it made my POI higher regardless of low hold or not....need some assistance!
I have a SX3. The spacers that adj. comb and heel really helped me get the right sight picture that fit me. POI changing with different loads is pretty common in most guns. Did your fiber optics have elevation adjustments?
Have you tried a different choke? You may have a bad choke.
just shooting the front bead....got some sights (unadjustable) and they made the point of impact even lower...
A taller front sight(bead) will make you shoot lower. This is aiming the shotgun like a rifle(turkey hunting).
Flyrodder
Put a Tru Glo Pro Series Magnum Gobble Dot on it and really like it!