Sightmark Boresighter for 300 Blackout 7.62x25mm – Laser, Black (SM39043)

• Laser boresighter designed for firearms chambered in 300 Blackout and 7.62x25 calibers
• Projects laser dot indicating barrel alignment for accurate optic zeroing adjustments
• Helps reduce ammunition usage during initial sighting and calibration procedures
• Compact lightweight design supports portability and quick setup in field
• Operates using AG5 batteries for reliable performance during sighting sessions
• Chamber style design inserts directly into firearm for alignment use

The Sightmark Laser Boresighter Black 300 Blackout is a laser boresighter designed for chamber-based firearm sight alignment. This Sightmark Laser Boresighter fits .300 Blackout and 7.62x25mm chambers and projects a laser dot to indicate barrel alignment. It functions as a cartridge-style device for direct insertion.

The Sightmark Laser Boresighter includes two AG5 batteries and features a black exterior finish. This caliber-specific boresighter is used during firearm setup and maintenance procedures. In practical use, it provides a visual reference point for optic alignment before live fire adjustment. The compact design allows transport in range kits, and the unit is built for repeated insertion into compatible chambers during zeroing operations.