STONESKY 303 BR Cartridge Red Dot Laser Sight Boresighter .303 Laser Bore Sight Brass hunting

303 BR Cartridge Red Dot Laser Sight Boresighter .303 Laser Bore Sight Brass hunting 

Description :

Material:  High Quality Brass

Laser Wavelength:  635-655nm

LED Type:  Visible Red Laser

Sighting Range:  10-80 yards

Dot Size:  1.5" @ 100 yds

Laser Beam: <5 mW

Length: 2.16" (55mm)

Batteries Model: AG3 (EXclude the battery except USA)

Battery Life When Continuous On: 1 1/2 to 2 Hours