Trijicon Fiber Optic front sights are designed with years of manufacturing experience and leadership using the industry's leading technology and processes. Trijicon Fiber optic sights feature a fiber optic front sight which can be replaced with fiber optics packs (Sold Separately). The fiber optic front post will absorb day light in order to provide a bright aiming point. At night it will absorb as much ambient light as is available in order to provide you with an aiming point. However fiber optic sights will not glow since it does NOT contain a secondary illumination source like tritium.

Specifications and Features:
This is not a Glock Factory Product, it is an after market Product
Trijicon Fiber Optic Sight Set GL713-C-601029
Red Fiber Optic Front Sight
Blacked Out Rear Sight
High Visible Front Sight
Durability for Everyday Pistol Use
Clear, Precise Sight Picture
One Handed Manipulation
Comfortable to Conceal
Replaceable Fiber Packs Available (Sold Separately)
Limited Lifetime Manufacturer WarrantySteel Housing
Matte Black Finish
Note: Professional installation of these sights is recommended.

Fits:
Glock 42/43 pistol models