The XS Sights R3D is a 3-dot tritium night sight set designed for Glock 42, 43, 43X and 48 pistols. It combines steel construction with tritium lamps front and rear to provide consistent low-light visibility. The front sight incorporates Ember Glow Dot Technology with an orange-accented front to promote quick sight acquisition, while the blacked-out rear increases contrast for clearer alignment. These sights are intended for everyday carry and low-light use where reliable, repeatable sighting matters.
Key Specifications
- The set fits Glock 42 / 43 / 43X / 48 (Gen 1–5).
- This is a 3-dot tritium night sight configuration.
- The front sight features a green tritium lamp with an orange outline and Ember Glow Dot Technology for enhanced low-light visibility.
- The rear sight uses a green tritium lamp with a blacked-out rear to improve front sight contrast.
- Constructed of steel with tritium lamps front and rear.
- The sight set weighs 0.15 oz.
- Designed for fast target acquisition in low-light environments.
- Includes Ember Glow Dot Technology that charges the front dot from the tritium lamp for increased perceived brightness.
- Allows easy installation and one-hand slide manipulations as noted in the product details.
Built to provide a simple, effective sight picture in varied lighting, the R3D set focuses on functional contrast and durable construction. The Ember-treated front dot and blacked-out rear deliver a straightforward visual cue for faster alignment without unnecessary complexity, making it a practical choice for carry-oriented pistols and low-light use.
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