The .308 brass I have is mainly once fired PPU brass that I've used in my own rifle, bought as complete ammo. I've decided to knock up some tracer rounds as i'm going to a field firing range next week and will be able to have some fun with them.

The brass didn't need trimming and as its been fired only in my rifle and only once I used the neck resizer/deprimer in the Lee Ultimate dies set I've bought for reloading the calibre, so it hasn't been subjected to any 'heavy' working in the press.
I started depriming the brass last night and a good 50-60% of the cases were a struggle to get in and out of the Lee (no.4 size) shell holder that came with the die set. And by that I mean a good few needed tapping out with a small pin hammer!
Unfortunately the battery in my calipers died and I haven't had a chance to measure the extractor grooves of the cases that fit/don't fit to compare them.
Has anyone else come across this? Is it sloppy tolerances in the brass or the shell holder being too tight/combination of the two? I've never experienced it with the .223 cases I've worked with. While its just a bit of a hassle when depriming them, its going to be a nightmare when it comes to actually putting components in...
