212 gn hornady

I had a bad experience with a 7mm and Berger 168 on an elk. He was slightly quartering toward me, and I put two into him. Based off sightings on private a few weeks later, it appeared I hugged too far forward and they didn't get past the shoulder... I had a 30 Nosler built for other reasons...

I have a near new Wby Accumark in 30-378. I'm looking for an accurate load for the 200 gn Nos AB or the 212gn Hornady eldx bullets. I'm familiar with basic hand loading concepts but have never been able to make any really good handholds except for my 30-06 which has a really great Pac Nor...