thermal holdunder holdover shot placement

Hey everyone. I got a question for y'all. I'm running a pulsar xq38 lrf on a DD M4A1 .223. I zeroed it in at 50yds and it's a tack driver. At 20yds it shoots 1" low. At 100yds 1.5" high. At 150yds 3" high. At 200tds 4"high. And at 225yds 6"high. The inches are all estimated, yardages are from...