300 yard zero 22-250

Ahwww, yes. Have been bitten by the long range laser killer 4000fps ballistic bug have you?

You have asked for advice, if taken, you can save yourself a lot of grief. If not you can learn as you go.

Since you seldom do shoot at 400yds, If I were you, I would set zero for 200yds and learn the drops from there. with that laser you will have more success hunting at all ranges with a 200yd zero out to 500yds than other zeros, IMO, if you learn the drop tables.
 
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