Meco 520nm 5mw Red Dot Laser Bore Sighter 0.22 To 0.50 Caliber Sighting Positioning Device Set

Specification: Material: T6061 aviation aluminum Wavelength: 520nm Output: 5mW Length: 155mm Head Diameter: 16mm Tail Diameter: 4.9mm Color: Black Laser Shape: Red DOT Battery: 3 x LR44 (Not Included) Features: 1. Made of T6061 aviation aluminum, durable and beautiful. 2. Suitable for 0.22 to 0.50 inch (5.59 to 12.7mm) diameter gun. 3. Come with 4.5 / 5.5 / 6.6 / 8mm screws, suitable for different gun type. Package Included: 1 x Red Laser Boresighter 4 x Screws 1 x Wrench 1 x Screwdriver Notice: Please pull the spring in the laser tube before installing batteries to ensure the stability of laser dot. Thank you. More Details: