1pc, Bore Sight for 9mm Chamber – Caliber-Specific Red Laser Boresighter with Batteries, a Laser Alignment Tool for Optical Sight Calibration

Bullet Points:

Description (full paragraph):
This caliber-specific red laser boresighter is a battery-operated alignment tool designed to fit 9mm chambers. Insert the device into the chamber like a placement gauge, and a red laser dot will project from the bore to a target surface. This allows users to adjust optical scopes or red dot sights to match the laser reference point. The package includes batteries, so it works right out of the box. Ideal for equipment checking, optical sight calibration, and indoor laser reference use.