zeroing red laser bore sighter

{"cid":"91154339","title":"High Precision 5mW Visible Red Laser Bore Sighter","imgUrl":"https:\/\/img.ismap.com\/nimg\/3d\/9c\/2f83db357f58d49979e54b4814f5-200x200-1.jpg","attrs":{"Price":"5.4USD","Model Number":"GS-303BR","Minimum Order Quantity":"50pcs","Delivery Time":"3-5 days for sample order or according to your order quantity","Place of Origin":"China","Certification":"CE ,Rohs","Packaging Details":"in black box","Payment Terms":"Western Union or T\/T","Supply Ability":"10000pcs\/month"}}

{"cid":"91222707","title":"Multiple Calibers Laser Bore Sight Kit High Accurate Preset Red Laser Rifle 223 30 308","imgUrl":"https:\/\/img.ismap.com\/nimg\/ef\/32\/e3c9ffebb38280026cb23998f82a-200x200-1.jpg","attrs":{"Price":"","Brand Name":"AIMLASER","Model Number":"ALB-22LR-B","Minimum Order Quantity":"","Delivery Time":"10-20 days","Certification":"FDA, IEC","Place of Origin":"China","Payment Terms":"T\/T, Western Union, PayPal","Supply Ability":"10000pcs\/month","Packaging Details":"Protective case, accept your customized package","Product name":"Laser Bore Sighter Kit","Laser":"650nm Red Laser","Material":"Gold Plated Brass, Optical Glass Lens","Sighting Range":"5-100 yards","Dot Size":"<1 Inch At 25 Yards","Batteries":"3x AG4\/LR66\/376 Batteries","Life Span":"Over 5,000Hrs","Package":"PE bags or Aluminum Box"}}