Product DescriptionAchieve meticulous accuracy when zeroing your rifle with the SME Sight-Rite Laser Bore Sighting System for 22-250 Remington. Precision machined from a real brass casing, this caliber-specific sighter seats in your chamber for optimum alignment and consistent results. A high-output laser provides a bright point of aim to speed up initial zeroing, reduce ammunition use, and get you on paper fast. The unit arrives ready to use with three included button cell batteries.Product Highlights Caliber-specific design for 22-250 Remington rifles for a precise chamber fit Precision-machined brass casing delivers durability and repeatable accuracy High-output laser projects a clear aiming point for quick scope alignment Includes three alkaline button cell batteries for immediate use Speeds sight-in while conserving time and ammunition at the range Specs Brand: SME Series: Sight-Rite Laser Bore Sighting System Model: Sight-Rite Caliber: 22-250 Remington Material: Brass casing Battery Type: Alkaline button cell (3 included) Dimensions (L x W x H): 8.2 x 4.2 x 1.5 in Weight: 0.16 lb UPC: 813628014546 Manufacturer Part Number: XSIBL250 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.