The Sightmark 300BLK/7.62x35mm Boresight is a chamber-inserted laser tool designed to help you get your optic on paper before heading to the range.
- Type: Laser boresight
- Caliber: .300 Blackout / 7.62x35mm
- Material: Machined brass
- Power: Battery-operated (batteries included)
- Use: Insert into chamber to project laser for preliminary sight alignment
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