BORE LIGHT An indispensable aid for muzzle loading shooters. Brass light drops down muzzle of any rifle or pistol .45 caliber or larger. Green LED illuminates bore interior to provide superior lighting for bore inspection. Rather cleaning your muzzle loader or purchasing a used firearm, never be caught without a bore light! To activate remove knurled stem and screw in long end. To store screw in short end.    No. 68616