does it burn clean? that's what led me to N320 it's supposed to be one of the cleaner burning powders. Just got mine out of jail last week so working on some loads the next few weeks. 9mm 147 JHP zero and 45 230gr. Got a dead air Ghost.ive been using 147gr zero JHPs with cfe pistol at almost a max load, stays subsonic. seem to group nice, can still in jail...