Description:  <br>Brass 7.62x39mm Laser Bore Sight Red Dot Laser Sight Boresighter Gun Cartridge<br>  <br> Features:  <br> Material: High Quality Brass<br> LED Type: Visible Red Laser<br> Size: 40mm x 15mm   7.62x39mm Laser Bore Sight.   Sighting or zeroing in your iron sights， red dots， or scopes quickly and easily.<br>  <br> Package included:  <br> 1 x Sight Boresighter (Batteries included)  Details pictures: