Reference: SPC-1234-BK
Laser Bore Sight Collimator For .22 To .50 Caliber Rifles, Handguns And Scopes
Laser Bore Sight Collimator Wavelength 635-655nm Color Black 1. <1mW Laser 2. 4 Bore Adjustable Adapters to Fit all 22-50 Caliber Pistols and Riles 3. Length: 155mm, Head Dla:16mm, Tail Dia:5mm Wavelength : 635-655nm Battery type:LR44*3(not included,for reference)