Product Features: This 30-06/25-06/.270 cartridge Laser Bore Sighter features precision accuracyThis bore sighter is a fast， reliable and durable gun zeroing and sighting systemPrecision accuracyReliable and durableFastest gun zeroing and sighting systemReduce wasted cartridges and shellsCompact and lightweightEasy to pack and travelLaser wavelength (nm): 635-655LED type: Visible red laserPower: Less than 5 megawattsBattery type: 3 x LR44 cell buttons (include)Size: 63 x 12 x 12 mm / 2.457 x 0.468 x 0.468 inchColor: BronzeNet Weight: 30g / 1.05ozNote: Laser products are regulated by some countries， customers should contact local customs or related authorities to check whether this product can be imported. We are not responsible for customs confiscations or punishment due to the destination country's local laws or regulationsKindly Notice:--- Australian Customs new regulations， Laser units >1mW are regulated--- United States Customs regulations， Laser units >5mW are regulatedPackage Contents: 1 x Laser Cartridge Bore Sighter