Similar to the Bathyscaphe, yet different in many details. A complete lack of editing on my part, most important is that it does this: 
With 510 15mm 2ml genisis:
Front view:
Switch close-up, fire mode:
Safety ring rotated:
Profile:
Vent grill with system light:
Subtle red glow through porthole:
With 510-???? adapter:
With QuickChange 12mm genisis and two extras (1ml each):
Thanks for Looking! Internals remain undisclosed until further notice.

With 510 15mm 2ml genisis:
Front view:
Switch close-up, fire mode:
Safety ring rotated:
Profile:
Vent grill with system light:
Subtle red glow through porthole:
With 510-???? adapter:
With QuickChange 12mm genisis and two extras (1ml each):
Thanks for Looking! Internals remain undisclosed until further notice.

I guess it does have that underwater look going for it, despite having lots of airflow, but when I get my GtankUS to put on it, it may need some sled runners to balance right.