Laser Bore Sight 20 Gauge Barrel Target Cartridge Boresighter for 20 GA shotguns

Laser Bore Sight 20 Gauge Barrel Target Cartridge Boresighter for 20 GA shotguns ITEM DESCRIPTION Laser Cartridge Boresighter for 20 Gauge Shotguns This compact boresighter system is designed for sighting in your rifles without firing a shot. Simply install the included batteries, place the entire assembly into the chamber, and gently close the action. The sight will emit a straight red laser beam, providing a precise reference for zeroing in your sights or scopes. Fits 20 gauge shotgun chambers Windage and elevation adjustable Works with any sights (iron, optical, laser, holographic, etc) Long sighting range One set of three spare batteries included. Specifications: Max. Output Power: less than 2mW Weight: 30g Material: Aluminum Laser wavelength: 635-655nm Sighting Range: 10 to 100 yards Power: 3x LR44 batteries (included) Items Included: 1 x Laser Boresighter for 20 gauge shotguns 6 x LR44 batteries (3 spares)