Accurate Laser Bore Sight Collimator

SHS Accurate Laser Bore Sight Collimator
Full Metal Construction
Suitable for all Airsoft Gun
High precision laser
For any 0.22 to 0.50 Handguns, Rifle, Sights and Riflescopes
A laser beam projects a dot onto a target precisely through the centerline of the bore. Adjust your scope or sights accordingly and you’re finished
More convenient and accurate than scope and sight alignment
Operated by 3x LR44 Battery (Included)

Specification:
<1mW Class II Laser
4 Bore Adjustable Adapters to Fit all .22-50 Caliber Pistols and Rifles
Length: 155mm, Head Dia: 16mm, Tail Dia: 5mm