Glock pistol sight ideal for getting a better look at your target and always taking the perfect shot Glow-in-the-dark feature allows your sight to glow bright both day and night, ensuring you have a clear sight picture FORTRESS FINISH provides a permanent protective coating for maximum protection Compact, durable design made to resist snagging Compatible Gun Models: Glock 42 and Glock 43 models Square notch rear sight Material: CNC Steel Dimensions: 8.3 x 6.8 x 1 inches