On: Any HN readers have ideas for improving gun safety...

[Zak]

Cameras that mount on the accessory rails found on most pistols and defense-oriented long guns already exist: http://www.guncam.com/pistols.html

[rdl → Zak]

None of them are either so small as to be something you'd keep on your gun for normal use, or high resolution/big sensor like the Black Hero to shoot great video, though :(