Thanks to all for your replies. Understand that a "proper cleaning" is necessary after shooting corrosive ammo and any short-cuts may prove to be less than satisfactory. Which brings up another question that this topic leads to...

We have all seen pristine mil-surp rifles in our travels, shiny barrels and all, most having been fed a steady diet of corrosive ammo from day-1, most having seen the rigors of battle probably more than once in their life-cycle. Obviously, during the heat and pressures of battle, there were times when many infantrymen had little opportunity to stop what they were doing to clean their rifles (especially by pouring hot water down the throats). I would imagine that most battle-tested rifles went for days (if not weeks, or longer...) before there was a place or time to "properly" clean their rifles. And yet we still see many, of not most, mil-surp rifles with very shiny, clean and almost pristine original barrels. I guess what I'm getting at is, is the corrosive ammo so caustic that it causes "...I've seen the rust salts form in an afternoon after shooting..." right before your eyes? If this were so, wouldn't every army in the early 20th century have had piles of 1,000's of rifles with rusted-out barrels after every battle or conflict?

Sorry to be so apprehensive on this but my "analytical logic" is having a hard time accepting the degree of concern mentioned here. Don't get me wrong, I still firmly believe that a proper cleaning is necessary after using corrosive ammo, its just that the "catastrophic consequences" mentioned by some here regarding the use of corrosive ammo just doesn't add up.