Problem with LC 7.62 brass

[Scorpion Rider]

I like forester dies for 300 blackout and have used RCBS and Redding with success for other calibers. Maybe Wes will chime in with his recommendations, since his processed brass seems to work in everything I shoot.

One question before you start buying new dies. What press are you using?

[Coyote]

One question before you start buying new dies. What press are you using?

I have a Lee single stage, RCBS Rock chucker and a Hornady LNL AP.