Boresighter RED laser bore sighter .22-.50 caliber rifle free shipping

-Power<1mW -Weight: 150g

-Wavelength: 650nM -Length: 155mm. Head Dia.16mm, Tail Dia.5mm

-T6010 High class aluminum alloy in beautiful black matte

-Four bore adjustable adapters to fit all 0.22-0.5 caliber

-Screws already are set in the factory when center aligning

-easy to use, save your time and the ammo