The AimShot KT Rifle Red Boresighter Kit is your one-stop shop for boresighting your optics like a professional. This kit comes in a convenient, organizing zip pouch and contains a battery pack and laser that can be inserted into multiple included caliber cases. The battery pack requires 2 AAA batteries (not included). Simply equip the caliber arbor with the laser, place into your firearm, and adjust your optics to get your shots back on target. This kit includes a .223 bore sight, .243 Winchester arbor, .264 Winchester Mag arbor, .30-06 Springfield arbor, .30-30 Winchester arbor, 7.62 arbor, and a 12-ga. arbor.Kit includes: .223 bore sight .243 Winchester arbor .264 Winchester Mag arbor .30-06 Springfield arbor .30-30 Winchester arbor 7.62 arbor 12-ga. arbor Modular battery, which requires 2 AAA batteries (not included)