- 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