MY FREAKING HOLOSUN EPS CARRY RETICLE STUCK - HELP!

Okay guys, You won't believe this having a major issue with the Holoson EPS Carry. The reticle is completely stuck. I've tried everything - taking it apart, cleaning it, adjusting the settings, but nothing seems to work. 300blk vs 556 It's like it's possessed. Has anyone else ever experienced this problem? Any tips on how to un-brick this thing wou