Hopefully she'll sight in quickly. If you are using 3" sabot's, they will kick the snot out of your shoulder. If you can, put something really cushy between the buttstock and your shoulder or you'll be purple the next week in that area.
Clean your barrel bore every 5 shots or so to remove the plastic wad residue if it gets built up.
Keep an eye on the wind and don't let it think you are shooting either left or right. You'll go crazy and your shoulder,(again) will be pissed also.
Michael Palombi