GSM Laser Boresight .243/7mm/.308
- For use on .17 to .50 caliber and 10 12 & 20 gauge shotguns
- Includes Calibration Target and Carrying tube
- Red lasers
End Of Barrel Laser Bore Sighting Systems
- Patented design
- Durable machined aluminum construction
- Unit includes (3) three LR44 Alkaline button cell batteries
- No metal on metal contact will not scratch the finish of the barrel or damage your rifling
