Description:
Brass Laser Bore Sight Cartridge Red Laser Boresighter For 243\/308WIN This 308 7.62x51 .243 Laser Bore Sighter features precision accuracy. This bore sighter is a fast， reliable and durable gun zeroing and sighting system. Features:

Precision accuracy.
Reliable and durable.
Fastest gun zeroing and sighting system.
Reduce wasted cartridges and shells.
Compact and lightweight.
Easy to pack and travel.
Laser wavelength (nm): 635-655nm
LED type: Visible red laser
Power: Less than 5mW
Off axis angle: 0.1mrad (high precision)
Battery type: LR41
Operation: On\/off end cap
Construction: Brass
Temperature: 10-50\u2103

Package included:
1 x Laser Boresighter
3 x Batteries
1 x User Manual Details pictures: