depends on what I am reloading. For my LR and benchrest cartridges I take the bullet and brush it with a bit of talc before seating it. I chrono'ed my loads with and without and the SD was smaller on the treated necks than the untreated ones so I think it gives a more consistent neck tension.
For my pistol and iron sight AR loads I don't bother.
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“How do I get to the next level?” Well, you get to the next level by being the first one on the range and the last one to leave.” – Jerry Miculek
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