The Ncstar NCSTAR LASER BORE SIGHTER SET delivers a precise, practical solution for quick, repeatable bore sighting with four individual pre-aligned cartridge laser bore sighters that will bore sight up to 20 calibers, featuring solid anodized aluminum construction for the majority of calibers and a brass option for the .223 bore sighter to optimize alignment across common rifle and pistol profiles. Each set includes a soft carry case with extra slots, enabling you to customize your collection by adding other cartridge laser bore sighters as you expand your setup, while the blue color and matte blued finish give the kit a durable, professional look that stands up to field and range use. Designed to integrate smoothly with scope bases and mounts, this bore sighter kit maximizes accuracy in minutes, reducing wasted range time and helping you achieve precise zeroing with confidence. The kits model TLZSET reflects Ncstars commitment to reliable, easy-to-use mounting accessories that fit within a hunters or range professionals workflow, allowing you to streamline sighting procedures and align your optics with your firearms bore for optimal performance in various shooting scenarios.