Sightmark Boresighter for .223 Remington 5.56 NATO – Laser, Black (SM39001)

• Laser boresighter designed for sighting rifles chambered in 223 Remington or 556 NATO
• Projects laser point to indicate barrel alignment for optic zeroing adjustments
• Helps reduce ammunition usage during initial sighting process and calibration
• Compact design allows easy transport and quick setup in field conditions
• Operates using included AG5 batteries for immediate functionality out of package
• Chamber style design fits directly into firearm chamber for alignment use

The Sightmark 223 5.56 NATO Boresight is a laser boresighter designed for aligning firearm optics without live fire. This boresighter is chambered like a cartridge and projects a laser for sight alignment.

The Sightmark 223 5.56 NATO Boresight fits .223 Remington and 5.56×45 NATO chambers and includes two AG5 batteries for operation. It is used for initial sighting of rifles by projecting a reference point for optic alignment. This product is used for reducing ammunition use during zeroing procedures. The compact and lightweight design supports portability for field or range use. In normal operation, the unit is inserted into the chamber, allowing quick alignment checks prior to live fire confirmation.