https://www.ballisticstudies.com/Knowledgebase/.348+Winchester.html
This might be where you saw that. Under tue handloading paragraph.
I know Hornady states that the powder should only be used in cartridges they recommend. Where I’ve used it , it works fine. My lot is definitely slower than...
In the beginning of 2017 my Mother was diagnosed with cancer and passed in mid August of that year. She lasted 3 days in hospice. The saddest thing to witness. I feel for your family , it is hard.