I think it is strange that the flash light has no model numbers, Patent info, etc, like every other photo of a Backup that I have seen - only "Backup" written on the side. Was that done during a certain time period?
I have been using flashlights all my life but I am finding out I am out of touch with many of the newer models. I recently saw a used Surefire Backup for sale on another forum. After researching the model I was impressed with the specs so I bought it. Upon using the light I was a little...