I can't speak for other instructors but when I clear a weapon to enable me to go down range..I want to look right in the breech at an empty chamber & mag well (depending on the weapon).
I won't rely on any kind of device. If I don't see an empty chamber on every weapon on the firing line after the command to unload is given...nobody moves till I do.
I won't rely on any kind of device. If I don't see an empty chamber on every weapon on the firing line after the command to unload is given...nobody moves till I do.




















































