Teslong Mirrors Set of Rifle Borescope, Only Applies to NTG Barrel Bore Scope, Fit .22 / .243 / .30 / .38 / .40 and More Caliber Barrels
- Only Applies to Teslong NTG Series Rifle Barrel Borescope..
- The updated version suitable for barrels of .22 /.243 /.30 /.38 /.40 and more calibers barrel..
- Improved the problem that the original 5mm mirror is easily out of focus in a large caliber barrel..
- If you have more suggestions on the diameter of the mirror accessories, please feel free to feedback to us..