The AimShot BS22320X Laser Boresighter in 223 Rem Brass is the most complete, accurate, easy and inexpensive way to bore sight your weapon, delivering a brighter 20X model that helps you align your optic with precision. By installing a laser diode into a .223 Rem cartridge for rifle use and 9mm or 30 cal for pistol applications, and utilizing a versatile set of arbors (with no arbor required for 9mm), this cartridge-style laser bore sighter enables quick, reliable bore alignment across virtually any caliber. The brass cartridge design fits securely in the chamber, providing a consistent reference point for laser alignment that translates to real-world accuracy at the range. Ideal for scope mounting and laser bore sighting workflows, it supports straightforward setup, reduces wasted sighting rounds, and enhances training consistency. The BS22320X model is noted for its brighter output, making daylight and high-contrast conditions more forgiving and ensuring you can verify alignment under varied lighting. This reliable tool streamlines preparation for precision shooting, hunting builds, and routine maintenance, delivering professional-grade bore sighting with simple operation.