GSM Laser Boresight 20 Gauge

GSM Laser Boresight 12 Gauge

• For use on .17 to .50 caliber and 10, 12 & 20 gauge shotguns
• Includes Calibration Target and Carrying tube
• Green lasers project brighter and are highly visible at long distances

• 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