Interesting, why?
Depends what you want to do with it.
Ballistics are about the same as the 7.62 x 39 when loaded supersonic.
Decent punch at short range, drops like a rock at longer ranges- good hunting round for that application.
For subsonic applications with a suppressor, (which most have no need for unless you're a mall ninja) they're used by guys hog hunting at night...
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