Sounds like you had a great day regardless fjrdoc!
Once you get the load sorted then it will be easy to file down the sight the exact amount you need.
Found this years ago - rather helpful
Brownells sight height calculator
https://www.brownells.com/aspx/learn/learndetail.aspx?lid=13186
Never seen an MS in the flesh so to speak either, they are an unusual rifle in our neck of the woods