SME Laser Bore Sight – .270/.300/.325 WSMs

The SME Sight-Rite chamber cartridge laser bore sight is a caliber-specific alignment tool machined from brass for consistent chamber fit. It is intended for use in .270 WSM, .300 WSM, .325 WSM, and 7mm WSM chambers to aid optical sighting and initial zeroing. The unit is factory-aligned for its intended calibers and ships ready to use with button cell batteries installed.

Key Specifications

• The unit is machined from brass for dimensional stability and consistent chamber fit.
• Designed for .270 WSM, .300 WSM, .325 WSM, and 7mm WSM chamber compatibility.
• Built as a cartridge-style chamber insert for straightforward alignment in the chamber.
• Features a high-output laser for clear bore-to-optic reference at typical setup distances.
• Factory-aligned to be caliber specific for repeatable sighting results.
• Includes three button cell batteries to power the laser out of the package.
• Weighs 0.2125 lb for minimal added mass when handling.
• Shipping weight listed as 0.2125 lb.

Whether mounting a new optic or checking an existing zero, the Sight-Rite laser bore sight provides a precise, simple method for establishing bore-to-optic alignment. Its brass construction and caliber-specific fit make it a practical tool for workshop and range use, helping speed the sighting-in process with dependable mechanical fit and a clear laser reference.