Dusty Stevens
Shiner
The typical BAT user is a benchrest shooter, who lubes their lugs judiciously. The Tactical shooters usually don't.
I would see this issue with the BAT's fairly often on the Hide, this was with the Tactical actions, pre nitriding.
They called it "similar metals galling". Dissimilar metals, like the ARC Mausingfield has, is what I went with instead back then. No chance of galling, the metallurgy is as good as it gets, and the bolt head is super hard.
I want to try one of those actions