<b>Adapter Size:</b><br /> Adapter 1: .220 to .270 cal<br /> Adapter 2: .280 to .349 cal<br /> Adapter 3: .320 to .350 ca<br /> Adapter 4: .350 to .434 cal<br /> Adapter 5: .435 to .500 cal<br /><br /> <b>Bore Sight :</b><br /> Laser Class: IIIA<br /> Length: 6.1"<br /> Weight: 1.3 oz.<br /> Head Diameter: 16mm<br /> Tail Diameter: 5mm<br /> Compatible Firearms: .22 - .50 Caliber<br /> Color: red<br /> Wavelength: 625~660nm <br /> Battery: AG13<br /> Output Power: < 5mw<br /> <br /> <b>Package includes:</b><br /> 1x Bore sight<br /> 5x Adjustable adapter with screws<br /> 2x Spare screw<br /> 1x Screw driver<br /> 1x Allen key<br /> 3x AG13 battery<br /> 1x Manual<br /> 1x Exquisite storage box<br /> <br /> <b>WARNING: </b><br /> <br /> <b>*Keep laser away from eyes. </b><br /> <b>*Before zeroing your scope, make sure that the firearm is unloaded and pointed in a safe direction. </b><br />