ROMEO4 is the ultimate red-dot sight when fast, accurate target acquisition is a must. Whether it’s a moving target, dangerous game at full charge, or a fast breaking tactical situation at close quarters. When things are moving fast and you need to get on target in a hurry, your sight has to work faster. No matter the lighting conditions, weather conditions, or terrain, the ROMEO4 red-dot sight has you covered-—when it counts. You can shoot with confidence with both eyes open, on target yet aware of the situation at all times as it unfolds. And because it is a SIG SAUER®, you know the ROMEO4 is as tough and dependable as our firearms.