I was at a member's house doing a trade and he pulled out a 90 degree angled periscope looking device that you put into the open chamber of a rifle to inspect the bore, when the barrel tip is facing up at the light. I believe he said it was a military quick inspection scope of some sort.
Are these commercially available, or anything similar? I don't want to use the borescopes you connect to a cell phone camera.
Are these commercially available, or anything similar? I don't want to use the borescopes you connect to a cell phone camera.