I think its more of a novelty/collectors item actually.
If I remember right there was a warning released that they arent really safe to actually use.
A level 7 bolt isnt worth much, maybe $5 or so ?
This one maybe $25-30, to a collector ?
here's the history of it.
I spent a while putting this together
https://www.automags.org/forums/showt...en-this-before