Night fision utilizes an injection molded process and military-grade polymer with durable polymer tritium outlines to give you flexibility and unrivaled daytime visibility.With the exception of the tritium vials, imported from switzerland, night fision products are crafted end-to-end right here in the usa.Rear Color: BlackType: Front/Rear SetFrame Material: SteelFrame Color: BlackFirearm Fit: Glock 34Style: SquareFront Material: TritiumFront Color: Green with Orange OutlineWindage Adjustment: NoElevation Adjustment: NoFirearm Type: Handgun