Osprey Global Green Laser Rifle Boresight Kit Black Rifle Kit. The boresight is automatically activated when the bolt is closed then sight to the center of the laser (all calibers differ on sighting distance) recommended 25 yards. This kit includes Ospreys 30-06 Arbor 308 Arbor 264WIN Arbor 223 Green Boresight and a carry pouch. The 223 Green Boresight is used to power all the Arbors. Ospreys nylon case is used to keep sights clean and dust-free. The industry-leading no-nonsense lifetime warranty backs the rifle kit. Specifications for Osprey Global Green Laser Rifle Boresight Kit: Manufacturer: Osprey Global Fabric/Material: Copper Alloy Color: Black Features of Osprey Global Green Laser Rifle Boresight Kit Class 3A Laser Product Maximum Output Power: Package Contents: Osprey Global Green Laser Rifle Boresight Kit 223 Green BS 30-06 Arbor 308 Arbor 264 Mag Arbor Boresight Pouch 6 LR41 batteries Osprey Global BS-OSP-223GKIT3ARB: Green Laser Rifle Boresight Kit Black