1PC .308 Winchester 7.62x51mm .243 7mm-08 Caliber Cartridge Sight Laser Bore Sighter Boresighter

Description: 1) The laser unit cartridge fits 243WIN,308WIN and 7MM-08REM caliber rifles.2) It projects a straight laser beam allowing precise optical adjustments to sight in your scopes & sights without firing and ammo.3) Great for the range and ensuring your gun is still zeroed in after travel.4) Easy to use .5) Simply place batteries in end cap-twist and end cap to turn on-and place in chamber.6) Laser output less than <5mw.7) Wavelength 635-655NW8) Precision made9) Batteries not included.10) Full aim sports warranty       Packing: 1 x Cartidge Laser