AR15 Laser Bore Sight for .223 / 5.56 cartridge

Easy to use.  Insert as any cartridge and see the trajectory of your barrel with the laser in a dark room

Charlie's value collection.  You can spend more, but this guy gets the job done

• .223 REM MAG Laser Bore Cartridge - Fits .223 REM/5.56 NATO firearms (AR-15/ M4/ M16)
• Red Laser: 635-655nm, Max output <5mw, Class IIIa Laser
• Easy to use, just install the batteries into the Laser cartridge and screw on the base, which turns the laser on. Remove Batteries to turn unit off
• Factory Pre-Aligned Cartridge Bore Sighters, helps with Zeroing your optics
• Brass Construction
• Batteries Included
• Length: 1.8"
• Weight: 0.3 oz