Achieve pinpoint accuracy without wasting time or ammo with the Sightmark .338 Cal Laser Boresight-the ultimate sight-in tool for hunters competitive shooters and law enforcement professionals.Chambered just like a standard cartridge this precision-engineered boresighter is compatible with 7mm .338 and .264 caliber rifles projecting a clear red laser dot that shows exactly where your firearm is aimed.Crafted from durable brass the Sightmark boresight is built to last offering a secure and accurate chamber fit every time.Its laser guidance system provides a visual point of impact making it ideal for initial scope alignment zero verification or use in dry-fire training drills.With a sighting range of 15 to 100 yards and the ability to perform in temperatures from -10degF to 50degF (or degC) it's ready to go wherever your shooting takes you.This compact lightweight tool includes three AG3 batteries a protective carrying case and easy-to-follow instructions making it a must-have in any rifle owner's range bag or toolkit.Features / SpecsCaliber Compatibility: .338 7mm .264Material: High-quality brass for strength and durabilityLaser Output: Red laser for accurate point-of-aim projectionRange: Effective from 15 to 100 yardsOperating Temp: -10deg to 50deg F/CApplications: Ideal for zeroing scope alignment and dry-fire drillsIncluded Accessories:3 AG3 batteriesCarrying caseUser instructionsUser Base:Perfect for huntersCompetitive marksmenLaw enforcement professionals