Enhance your shooting precision with the NcSTAR TLZ223 .223 Cartridge Red Laser Bore Sighter. Designed for .223 REM/5.56 NATO firearms, this tool is essential for firearm enthusiasts. The bore sighter features a red laser that emits a sharp beam at 635-655nm, offering optimal visibility to assist in zeroing your optics. Its user-friendly design allows for quick setup-simply install the batteries, screw on the base, and you're ready. Compatible with .223 REM/5.56 NATO rifles Red laser with 635-655nm wavelength Easy installation and setup Durable brass construction Factory pre-aligned for accuracy Elevate your marksmanship effortlessly with the NcSTAR TLZ223 laser bore sighter.