The bright and ultra-durable HiViz LiteWave sight will enhance your confidence and shooting experience for the Springfield 1911 Pistol. It features an all steel frame and interchangeable LitePipes. Factory height front sight compatible with factory rear sight. Blade Width: 0.125. Blade Height: 0.180″. LitePipe Diameter: 0.090″. This model fits Springfield 1911 Production Models. Does not fit GI and Mil-Spec models. Front Sight Length: 0.750″. Front Sight Width: 0.470″. Front Sight Height: 0.265″.