The HiViz FastDot H3 Sight Set (brand part number GLFD21) combines tritium with HiViz LitePipe technology for illumination day and night in one sight system. The set pairs a red fiber optic front sight with a green tritium rear sight, both machined in all-steel construction rugged enough for personal defense, law enforcement, or military use. Set at factory sight height, it’s compatible with all generation Glock models chambered in 9mm, .40 S&W, or .357 Sig.

Key Specifications

• Combines tritium and HiViz LitePipe technology for 24-hour illumination.
• Features a red fiber optic front sight.
• Features a green tritium rear sight.
• Built in all-steel construction for rugged durability.
• Rated for personal defense, law enforcement, or military use.
• Set at factory sight height.
• Fits all generation Glock models.
• Compatible with 9mm, .40 S&W, and .357 Sig chamberings.
• Delivers a fast, high-contrast aim point for defensive shooting.

Frequently Asked Questions

Does this work in the dark? Yes, it combines tritium with HiViz LitePipe fiber optic technology for illumination day and night.

What Glock models does this fit? All generation Glock models chambered in 9mm, .40 S&W, or .357 Sig.

What is it made from? All-steel construction for durability under hard use.

Buy the HiViz FastDot H3 Sight Set, Glock, Red Fiber Optic Front/Green Tritium Rear

Add day-and-night visibility to your Glock. Order it from our HiViz lineup, part of our gun sights selection, at our Lubbock, Texas gun shop for fast, direct shipping.