Achieve flawless alignment and save valuable time and ammunition with the AimShot Brass Arbor Boresighter for .257 Weatherby Magnum.Expertly machined from high-quality brass this arbor-style boresighter is built to deliver long-lasting durability and consistent performance in any shooting environment.Designed to be used with the AimShot .223 laser bore sight module.This caliber-specific arbor allows you to quickly and accurately align your rifle's optics by projecting a laser down the true center of the bore-eliminating guesswork and reducing the need for extensive live-fire adjustments.Unlike other sighting systems this arbor requires no batteries mounts or tools.Simply insert the .223 laser into the arbor chamber the assembly into your firearm and begin fine-tuning your sights or optics with ease. Its lightweight compact design makes it an essential addition to any hunter's or shooter's toolkit.Features / SpecsFor .264 Win Mag RiflesBrass arborRequires AimSHOT .223 Laser Boresight not includedFits:264 Win Mag300 Win Mag300 WBY7MM Rem Mag340 WBY257 WBY358 Norma Mag308 Norma Mag7MM STW338 Win Mag