Making "Dummy" Cartridges...

[Mr. 16 gauge]

Just a couple of added thoughts:

1.) the dummy cartridges should probably be marked in such a way as to be readily identified as dummies, as opposed to looking like live rounds....I would suggest painting the tips of the bullets a with a flourescent orange or chartruese paint (such as that used for painting jig heads). I know that over time the paint would be scraped off, but they could then be repainted. A disaster in the making would be to accidentally mistake live rounds for dummy ones.

2.) Instead of a spent primer, I would suggest a dab of silicon in the primer pocket; this way, the said dummy rounds could also be used as 'snap caps' and save wear & tear on the firing pin and related mechanisms. I've used pencil erasers as substitute primers in shotgun hulls for similar purposes.