My log's at home and won't be back til late.
Off the top of my head the brass not getting bumped as far back were in the .020 to .010 more headspace range.
Chamber check done without bullet.
Not from magazine.
I wish was control round feed. Winchester went back to control round feed
after I got my 308 varmint. Darn.
Yes on the die setting. And the setting is working (just not on all the cases).
And it's not happening at the same times either.
I set my brass in rows of 10 and the ones the don't get headspaced the same are in different places in each line.