The TruGlo TFO sights for the Glock 21 offer an innovative solution for enhanced shooting accuracy combining the advantages of fiber optic and tritium technologies. Designed specifically for high visibility these sights feature a bright green front sight and a contrasting yellow rear sight ensuring clear sight alignment in any lighting conditions. The durable steel frame with a black nitride fortress finish provides robust protection while the high-style design ensures a perfect fit for your Glock 21 and other compatible models. With TruGlo TFO sights experience consistent performance and precision whether at the range or in low-light environments.