Red Laser Boresighter Bore Sight Kits for 177 .50 to 12GA Caliber Bore Sighter

Red Beam Bore Sight Kit for. 177 to. 50 Caliber Boresighter Scope Sighting. 1 Laser sight. Suitable for.177 to. 50 caliber. Wavelength: red light 650nm / green light 532nm. Note: When using the green indicator light, do not install the battery backwards.

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