I have reloaded the original cases I fired through mine 2 times so far.

Factory Federal 140 gr fusion and Winchester 140gr match were the original cases I first fired last fall. 140 rds total with mostly the Federal fusion 140's.

I will never again fire the factory Winchester 140gr match because it was too hot for this rifle. Was getting poped primers with quite a few. I think the Win match 140's were possibly made with bolt guns in mind?

Their Primer pockets on the Win brass already felt loose after one firing as I was seating new ones in them. They were CCI #34's though for 7.62 so maybe they are a little small?

Getting 1/2" groups with Hornady 140's and Nosler 130gr RDF's at 100. Going to try the Nos 140 RDF's next.

So far no split necks or head separation.