Zero in with confidence using the AimShot Master Red Laser Bore Sight Kit-the most complete and versatile bore sighting system on the market.Built for serious shooters hunters and firearm professionals this all-in-one kit includes everything you need to accurately and efficiently sight in nearly any rifle with unmatched ease and precision.At the heart of the system is AimShot's advanced Modular .223 Laser Bore Sight (MBS223/BSB223G) which features dual power options.An internal battery system using LR41/AG3 cells for compact convenience and an external AAA-powered battery pack offering 20+ hours of runtime-perfect for extended sessions and repeated use.The red laser diode delivers enhanced visibility especially in bright environments and longer ranges making it ideal for outdoor applications.The kit includes an impressive 21-piece arbor set allowing seamless compatibility with virtually every popular rifle caliber from .17 HMR to .50 BMG.Each arbor is constructed from high-quality brass to ensure a secure chamber fit and long-term durability.Neatly packed into a portable and compact carry case the AimShot Master Kit is designed for quick deployment at the range or in the field giving shooters of all experience levels the tools needed to achieve precise sight alignment without wasting time or ammunition.Features / SpecsManufacturer: AimShotBattery Type: AAAColor/Finish: BrassBattery Quantity: 2Laser Color: RedComes in two zippered pouchesTwo AAA batteries will power the laser for hoursYou can sight in a multitude of weaponsManufactured in accordance to the highest military and industry standards with cutting edge technology