Is this crazy? Or safe? Berdan primers

I found this on the Internet is it safe anyone tried it.

I have popped out a few primers

What ya all think?

SHTF: Reloading Steel Case berdan ammo with regular primers in a pinch. 7.62x39 Tulammo Wolf

http://m.youtube.com/watch?v=GwmmsZ-aX4g

http://www.youtube.com/

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