Originally Posted by GeneJr
So Idk if any1 had read my last post on my new mosin but my question still stands.
Sounds like maybe some wind was moving it @ 300. I can't think of a reason the Windage would be different at different ranges, except for that.
Try again when you're sure there is no wind and see what happens.
If the groups are consistent, readjust the sights. If not, readjust the shooter.