The TROY Folding HK Front Tritium Sight is designed to enhance sight orientation in low-light conditions. This Tritium Folding Front Sight features a front post centered between two Tritium reference points for proper alignment. The Tritium light source provides visibility without needing batteries or electricity. The sight is easy to install and deploy, requiring no tools for adjustments.Key FeaturesColor: Finished in black for low visibility.Elevation Adjustment: Features a 0.20 cm elevation adjustment for precise aiming.Model: Part of the BattleSight series, known for durability and accuracy.Style: A folding back up front sight with Tritium for enhanced visibility in twilight.