EZshoot Bore Sight 223 5.56mm Rem Gauge Laser Sight Red Dot Boresighter with 2 Sets of Batteries
Brand: EZshoot
Color: Tan

Specification
Length: 44.5mm; Tail width: 9.5mm; Head width: 6.3mm
Laser Wave length (nm:) 640 to 660
LED Type: visible red laser
Power: <5 mW
Construction: Brass
Sighting Range: 15 to 100 yards
Dot Size: 2 inches at 100 yards
Temperature: -10℃ to 40℃
Operation: On/Off End Cap
Battery Type:6 X AG3 (Included)
How to use the bore sight?
1.Unscrew the back cap from the bore sight by turning counter clockwise
2.Stand the bore sight on a flat surface with the laser side pointing down
3.Insert batteries (+ side up) inside the rear opening
4.Carefully push down and turn the screw cap clockwise to tighten the cap (the laser is now on)
5.Place in your rifle’s chamber and close the bolt
6.To remove - open the bolt if it does not automatically extract, manually remove the unit by tilting the rifle’s barrel upward (always practicing safe firearm practices)
7.Unscrew the back and remove the batteries to turn the unit off
Package included 1 X Bore Sight 6 X AG3/LR41 Batteries

Class IIIA laser, less than 5mW.
Made to fit the .223 chamber, caliber specific.
Comes with 2 set batteries (3 AG3 batteries) which can last one and half an hour.
Easy to sit perfectly in the bore; Sturdy brass construction.
High accuracy, sighting range is 15 to 100 yards.