Sightmark 9mm Laser Bore Sighter Review and Demonstration
This guide details the installation and initial use of the Sightmark 9mm Laser Bore Sighter, a chamber-based device designed to save time and ammunition when zeroing firearms. The process involves inserting the unit into the chamber, installing batteries, and using the projected laser to achieve a preliminary sight alignment before live fire. The speaker, an experienced gear reviewer, emphasizes its durability and practical application for both pistols and carbines with mounted optics.













