About 1600+ 223 for plinking (all brass I've had ). Single session, all brass has been prepped beforehand. Had one stoppage on my 650 - primer wasn't feeding. Disassembled primer feed and glad I did; there was 1 primer stuck half way due to junk accumulated. If I'd decided to "persuade" it it'd probably got sheered and might have detonated whole tube which was just refilled