Product Features 6061 Aircraft Aluminum and T6 Heat treated Aluminum body Level 3 Mil Spec Hard Anodization Front Sight A2 post elevation adjustment Rear Sight Dual Aperture Windage Adjustment Designed for Close Quarter Battle Front Sight: Weight: 1.5 oz Height: 1.7" Width: 1.5" Length: 1" Rear Sight: Weight: 1.9 oz Height: 1.74" Width: 1.5" Length: 1"