Universal Laser Bore Sight Kit with High-Capacity Battery &12 Gauge, Red Laser boresighter, and Green bore Sight with On/Off Switch for Precision Zeroing

Specifically, this is an exceptionally excellent laser boresighter specifically designed for the 12GA firearm, equipped with a switch enabling you to turn it off when not in use. (It is caliber-specific, effortlessly fitting perfectly in the chamber). The laser dot is remarkably clear and bright, consequently functioning exceptionally well and facilitating sighting from a distance.
Advantages: Entirely made of aluminum alloy and brass, it possesses outstanding robustness and durability. Furthermore, it not only presents an aesthetically pleasing appearance but also will not cause any damage to the barrel. The portable packing boxes are conveniently portable, particularly suitable for outdoor activities or trips to the shooting range.
Compliance: The maximum output power is less than 5mW, and the wavelength ranges from 630 to 680nm, falling under the laser class IIIa.
As a gift: The brass switch and aluminum body, accompanied by anodic oxidation treatment, present a perfect Strong and beautiful plastic box. It serves as an impeccable gift for a friend or elder, whether it is for a hunting enthusiast or a sports shooter.
Long battery life: It is equipped with a CR2 battery featuring a large capacity of 800 mAh, which is larger compared to other sets of button batteries. There is no need to worry about the working time being insufficient.

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