Phaine wrote:I just do 'em by hand with the chamfer and spin it until it feels smooth.
Sometimes there's an angle, sometimes not, depending on how much rough needs to come off for the inside neck to be feel smooth.
yoshie wrote:as little as possible so that you get it to work consistently, the more you work the brass the less it will last, you just want to take off the sharp edge so the bullet seats without shaving and when loaded it slides into the chamber nicely.
This is pretty much what I do as well, a light turn by hand and you can feel when the burrs have gone. I don't aim to grind any kind of angle into them.