40% OFF CODE:98NLOJGG +Prime discount: 10% off Class IIIA laser, less than 5mW. Comes with 3 sets batteries (6 LR41 batteries) which have longer service life.Use only 2 batteries at a time. The caliber made to fit the 9mm chamber,made of sturdy brass construction. Faster gun zeroing,high accuracy,reduce cartridges and shells wasted. 【Design】 Light and compact, and easy to sit perfectly in the bore. ASIN#: B08Y5S3VR2 Model number#: 9mm Bore Sight