@Three O'Three did you manage to get this sorted with the Hornady Seating Die?
I have Lee dies for 3 different rifles, but the 300 BLK doesn't seat projectiles straight. It's so bad, the neck bulges.
The man at Serious Shooters reckons it's because Lee dies resize the neck too small. If I can avoid it, I'd rather not spend $129 when $69 will do.
Pictures for reference.![]()
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