The Osprey Laser Boresight is a red laser ensuring your first shot is on target. Osprey boresights are designed to save you time and money with less wasted ammo. They feature high quality brass construction with reliability and durability. They are extremely fast, easy to use, and are a cost-effective method to accurately sight your weapon. The laser dot, which has been precisely calibrated in the cartridge, is projected down the barrel and will get you within 1.5 inches of center by following the simple instructions. Specifications for Osprey Global Red Laser Bore Sight: Manufacturer: Osprey Global Attachment/Mount Type: Chamber Color: Brass Beam Color: Red Package Contents: Osprey Global Red Laser Bore Sight