Product: EZshoot Laser bore Sight for .223 Rem 5.56 mm Red Dot Boresighter with 4 Sets of Batteries
Brand: EZshoot
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 
 -- Operation: On/Off End Cap 
 -- Temperature: -10℃ to 40℃ 
 
 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 
 -- 12 X AG3/LR41 Batteries 

Class IIIA laser, less than 5mW
High accuracy to accurately aim at the target, fast gun zeroing and sighting, saving your time and money.
Comes with 4 sets batteries (12 AG3 batteries), and each set lasts up to an hour.
Perfectly fit in .223 REM bore sighter, caliber specific.
Easy to use. Sturdy brass construction.

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