CVLIFE .243 308 Bore Sight Red Dot Boresighters 308 with Three Batteries

About .243 308 Bore Sight Class IIIA laser, less than 5mW Made to fit the .243 308 chamber, caliber specific. Comes with 1 set batteries (3 AG3 batteries) which can last one and half an hour Easy to sit perfectly in the bore. Sturdy brass construction. Fast gun zeroing and sighting. High accuracy to reduce cartridges and shells wasted, sighting range of the bore sight is 15 to 100 yards. CVLIFE Brand Story CVLIFE BORESIGHTER:    223REM Green Bore Sight       9mm Green Bore Sight        12GA Green Bore Sight       9mm Red Bore Sight CVLIFE LASER BORE SIGHT:        12GA Red Bore Sight           223 Red Bore Sight     243 308 Red Bore Sight        20GA Red Bore Sight CVLIFE RED LASER BORE SIGHT: 30-06/25-06/270 Red Bore Sight 7.62X54R Red Bore Sight 45acp Red Bore Sight 7.62x39mm Red Bore Sight CVLIFE BORE SIGHT KIT:     Magnetic Bore Sighter       Magnetic Bore Sighter Multipl