Hi all,

Was just wondering how often it is recommended or necessary to chamfer and deburr handgun brass? Is it a necessary part of case prep before reloading every time or do you do it on an as needed basis and if so, how do you determine if it is needed?

Lastly, does it matter whether chamfering is done before deburring and vice versa?

Every time you trim. New brass (even if not trimmed by you) may benefit from a light chamfering of the case mouth to facilitate bullet seating, though this is usually more necessary with rifle brass since it isn't flared to accept the bullet.

I f you are talking of de burring the primer hole,it only has to be done once.Chamfering after you trim or when brand new.

I only chamfer/de-burr hand gun brass after a trim

Otherwise the flare and crimp negate it