Hunting Bore Sighter Sight 223Rem 5.56 Cartridge Red Laser  W/ LR41 Batteries 

This compact boresighter system is designed for sighting in your rifles without firing a shot. Simply install the included batteries, place the entire assembly into the chamber, and gently close the action. The sight will emit a straight red laser beam, providing a precise reference for zeroing in your sights or scopes.

Quality grade Brass Casing
Precision Laser Optics
Sits perfectly in the chamber
Quick and easy sighting and zero
No more wasting ammo

Brand new laser bore sight for .223 Rem/ 5.56 Nato 
Minimum Range for Sighting: 15 yds
Maximum Range for Sighting: 100 yds
Wavelength: 645nm, 632nm (.223 20X)
Operation: On/Off End Cap
Battery Life: ~ 20 min
Laser Type:Visible Red Laser
Power: < 5mW
Battery: 6 LR41 (included)
Construction: Brass
Dot Size: 1.5 @ 100 yds.
Caution: The insulating strip should be moved before using.

Items Includes:
1 x Laser Boresighter

Note:Our products are all have been tested by professional instruments. So any pathway deviation observed by eyes owing to an inappropriate operation is not supposed to be a malfunction of our products. Please noted that our products are laser boresighter in lieu of laser sight.