Brand: Outers 40868
Use this to illuminate the bore of your firearm and verify cleanliness. Place small end of bore checker in chamber of firearm using a light source above it. Look through barrel from muzzle end to determine condition of barrel. Then clean and oil firearm as needed.
Specifications and features:
Illuminates the bore of your firearm to reveal cleanliness
Versatile–works in rifles, pistols and shotguns
Durable and compact–Take it anywhere