Use Smartphone Flashlight as the light source to check the inside of the gun barrel for obstructions, grime, and dirt. No extra batteries required.
Universal Design that fits in most rifle, pistol, shotgun, handgun, and revolver chambers.
Use the macro lens with the smartphone camera to magnify your firearms to capture all the tiny details or to reveal the cleanliness. The 10X Macro Lens is also good for taking pictures of your lovely collections to show the amazing details.