Ameriglo Tritium front green yellow. Yellow Tritium 2-dot White Outlines .240" H .150 Sq Notch Specifications for AmeriGlo Tritium Rear Sights Classic Style for Glock: Manufacturer: AmeriGlo Gun Make: Glock Gun Model: Glock 48 Glock 43X Glock 43 Glock 42 Color: Black Front Sight Color: White Rear Sight Color: White Sight Style: Square-Notch Gun Type: Pistol Height: 0.24 in Width: 0.15 in Features of Ameriglo Tritium Rear Sights Classic Style for Glock Glock All except 42/43 variants. Package Contents: Ameriglo Tritium Rear Sights Classic Style for Glock Ameriglo GL-431: Tritium front green yellow