Feyachi Bore Sight .223 Rem 5.56mm NATO Red Laser Boresighter for Cal 223 556 with 2 Sets of Batteries

Features:

• Class IIIA, less than 5mW 632 650nm red laser
• Made to fit the .223 chamber, caliber specific.
• 3 sets 9 total batteries. Each set lasts up to an hour.
• Fastest gun zeroing and sighting system and reduce wasted cartridges and shells.
• Easy to sit perfectly in the bore. Sturdy brass construction.