I can recall a thread about this method of fire-starting several years ago.. You only have to put half the gun-powder on the tinder, and keep the other half in the cartridge, but YMMV

(how do I seem to remember all those 'forgotten' posts on ETS, while I can't remember what I had for breakfast this morning...hmmm blush )
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''It's time for Plan B...'' ''We have a Plan B?'' ''No, but it's time for one.'' -Stargate SG-1