Laser Boresighter Kit, Red Laser Brass Chamber Bore Sight Kit for Rifle Scopes and Handgun

HOW TO ZERO YOUR SCOPE: 1. Unload the bullets of your firearm. 2. Choose the proper boresighter and install the 3 batteries to turn on the laser beam, make sure the batteries direction is correct. 3. Install the boresight tool into the firearm chamber. 4. Project the red beam on a target and adjust crosshair of the scope to align with the red dot. DO NOT FIRE YOUR FIREARM. 5. Unload the Boresighter. 6. Take your firearm to the range and test fire. Making final fine adjustment if needed. Warning: Keep boresight laser beam away from eyes. Before boresighting your scope, make sure that the firearm is unloaded and the muzzle pointed in a safe direction. After the sight or scope adjustment is finished, make sure to remove the boresighter from the firearm chamber. Specifications: Material: Brass. Weight: 3 oz Light wavelength: 635-655nm. Max. Output Power: ≤4.9mW. Light class: IIIa. Light Color: Red. Batteries type: AG3/LR41 button cell batteries or equivalent, non rechargeable. Packing List: 2 x Boresighters 1 x 10 pieces battery pack 1 x Instructions

• 【Caution】: Avoid the eyes to be exposed to the beam directly.
• 【Contents】: Three bore sighting kit: 223 bore sight (223REM 5.56MM), 9mm bore sight, 308 bore sight(243/308WIN/7MM-08REM).
• 【Quality】: Brass material with qualified electronic components support longer and consistent lifetime. Fast gun zeroing and sighting.
• 【Efficiency】: Increase the accuracy and speed to zero firearm sights or scopes for serious hunters, shooters, Policemen. Save both time and money by avoiding prolonged live fire tests at the range.
• 【Module】: The module from professional supplier. Longer life time and more reliable in extreme situation. Working Temperature from: -20℃ to 50℃ (-4℉ to 122℉).