[TXnMA]

Aside from the dumb@$$3d nomenclature and hyperbolic panic, that fired rimfire brass is non-reloadable. It's "dead" -- and is less dangerous than an already-struck matchstick.

That imbecile of an educator and her bosses would soon get a visit from my attorney -- and I'm normally non-litigious...

[marktwain]

that fired rimfire brass is non-reloadable.

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Practically correct. But there are enthusiasts who do reload them. Hardly worth the effort...

http://22lrreloader.com/design-details/