First Post here! Thanks for all the good reading along the way.
Have a newly built Savage Action 31" Stainless 1:10 Heavy Bull, with a Mussel brake getting 2845 (+-8) with 83.5 Grns of MR4000 (I know - but I have 8 Lbs+.) using the Hornady 285grn Tipped BT
No Primer flatting or Bolt-lift...