Every time you pull the trigger, you are removing the corrosive salts from the previous round. It should not matter a bit, from the corrosive issue, how many you fire. Just get the salt out after the last round.
"It is better to be too skeptical then too credulous"
If I can send an entire spam can downrange in one day what's my prize???
You will have the deep personal satisfaction of knowing that you have a very manly shoulder!
History fails to record a single precedent in which nations subject to moral decay have not passed into political and economic decline. There has been either a spiritual awakening to overcome the moral lapse, or a progressive deterioration leading to ultimate national disaster.