Sightmark SM39018 .357/.38 Laser Boresight Brass

The Sightmark SM39018 laser boresight provides a fast, low-effort way to align sights and optics without firing live ammunition. It inserts like a standard cartridge and projects a red laser dot to indicate the bore axis at practical sighting ranges. The unit ships with a battery pack and three AG3 batteries, and a lightweight carrying pouch protects the boresight during storage and transport. The brass cartridge-style body is built for simple chamber insertion and straightforward use.

Key Specifications

• The product style is Laser.
• The unit includes three AG3 batteries.
• The package includes a carrying case for transport and storage.
• The body material is Brass.
• The sighting range is 15-100 yards for initial alignment.
• The operating temperature range is -10 to 50 F/C.
• The listed weight is 0.2 (as provided).
• The listed shipping weight is 0.2 (as provided).

Designed to remove the guesswork from first-pass zeroing, this cartridge-style laser boresight simplifies scope and sight alignment so you can spend less time firing test shots and more time refining live-fire accuracy. Its compact, serviceable design and included accessories make it a practical tool for range prep, training drills, and routine sight maintenance.