Specifications Dimensions: 34 X 51 X 18Mm Approx. (Front Sight) / 31 X 53 X 18Mm Approx. (Rear Sight) Weight: 23 Grams (Both Sights) Material: Dupontt Zytelr High Performance Reinforced Polymer Package Includes: 1X Sight Set Color: Black Features Designed With The Pts Ep Series Standard Dupont Zytel Reinforced Polymer Material. Snag-Free Low Profile Construction. Twin Apertures With Ergonomic Aperture Plate. Adjustable Windage (Rear Sight) And Elevation (Front Sight) To Improve Precision. Sight Set Can Be Lowered When Storing Your AEG Away. Provides As An Upgrade Or Back-Up To Your AEG.