I've thought about canned air as well but have been unable to verify the contents of the cans whenever I think of it and look for it at a local store. Maybe I'll try that first.

I'm shooting standard velo CCI and typically don't have much issue. I have to do some urban pest eradication from time to time and it would come in handy for that.

1168 do you have a picture of your setup? I'm having a tough time following your description.