The perfect sight for your pistol. The Black 552 Advanced Red Dot Sight is the perfect addition to your pistol. With windage and elevation adjustments, you can zero it in for accuracy and comfort. Black in colour the 552 red dot sight features a bright red dot that you can switch between red and green illumination with the flip of a switch. It also has a 20mm weaver mount, so it's easy to attach to your gun. Get the most out of your gun with this high-quality sight from Blackline.