I'm pretty sure I got this recipe here back around 2018. It appears you have all items needed (per OP 1st post.)

50 gr Hornady sp over 22.2 gr of Hogdon 322 with br4 cci primer COAL 2.135

I shoot this load from my old Sako built the same year I was - 1952

Never try to teach a pig to sing...
...it wastes your time and annoys the pig!