Okeba 0.22 to 0.50 Caliber Cartridge Red Laser Boresighter Accurate Bore Sighter Collimator With Button Switch

Red laser dot suit for darklight or indoor, visual range up to 300yard
Wavelength: 630-680mm
Laser hazard Class: IIIa
Output Power: ‰¤ 5 mw
Color: black
Length: 155mm
Head Dia: 16mm
Tail Dia: 5mm
Weight: 29g

If you find the bore sighter not straight in the barrel, please note :The caliber adapter can expands larger as your turn it into laser bore sighter
Package included:
1 x Laser Bore
1 x Screwdriver
1 x Installation Stick
4 x Adjustable Adapters
2 x AG13 Batteries
1 x User Manual