Product DescriptionChamber the Sightmark Laser Boresight in your 7mm, .338, or .264 caliber rifle like a regular cartridge and a bright red laser dot shows exactly where you&&';;re aiming. Designed to reduce wasted ammunition and speed up zeroing, this durable brass boresight offers reliable performance from 15 to 100 yards and functions in temperatures from -10 to 50 F/C. Ideal for hunters, competitors, and law enforcement professionals, it comes ready to use with batteries, a carrying case, and instructions.Product Highlights Red laser boresight for fast, precise rifle zeroing Durable brass construction built for repeated use Effective sight-in range of 15-100 yards Includes carrying case, three AG3 batteries, and instructions Helps reduce wasted cartridges and range time Specs Compatibility/Calibers: 7mm, .338, .264 (rifles) Laser/Beam Color: Red Material: Brass Range for Sighting: 15-100 yards Operating Temperature: -10 to 50 F/C Battery Type/Qty: AG3 (3 included) Included: Carrying case and instructions Brand: Sightmark MPN: SM39004 UPC: 810119010032 Disclaimer: We strive to provide accurate and up-to-date product descriptions, specifications, and images; however, errors or omissions may occasionally occur. We are not responsible for any inaccuracies or discrepancies in the content provided. If you notice anything incorrect or unclear, please contact us so we can correct it. When in doubt, we recommend verifying details directly with the product&&';;s manufacturer.