This kit allows you to observe the rifling and bore of a rifle barrel for any caliber .22 (5.56 mm) or larger. It also helps keep the endoscope centered in the barrel and maintain a more consistent focus when the probe is rotated.

 These mirrors are compatible with the NTG100, NTG150, NTG450 and NTG500 model endoscopes (borescopes). NOTE: NOT compatible with the NTG200H Focus & Fold borescope.

 THIS KIT INCLUDES: 5mm diameter mirror for .22 caliber, 6mm diameter mirror for .243 caliber, 7mm diameter mirror for .30 caliber, 8.5mm diameter mirror for .38 caliber, 10mm diameter mirror for .40 caliber

 *Product photos are not contractual: although they are intended to accurately represent the products, minor variations may sometimes occur.