Kel-Tec PMR-30 Kaboom???

The shooter thinks that it fired out of battery:





Many more vids and additional info after the jump:



Slow motion:




Here is part 2:




Close up of the brass:



Still more:



Slide stop fell off:

I will say that after looking at the brass, it seems to have fired out of battery. I could be mistaken. I can not figure out how/why the slide lock tab that fell off was capable of keeping the slide lock bar from engaging as there doesn't appear to have been any springs involved.

Seen here