The XS Sights R3D is a three-dot tritium sight set designed for Glock small-frame pistols. It uses steel construction with green tritium lamps front and rear and a photo-luminescent Ember front ring for enhanced low-light visibility. The rear sight is blacked out to increase contrast against the illuminated front, and the front tritium lamp is intentionally brighter than the rear lamps to reduce the chance of confusing front and rear vials in low or no light. R3D sights are built for a snag-free profile and straightforward installation using a sight pusher or a hammer and punch.
Key Specifications
- The material is steel with tritium front and rear.
- The sight type is a 3-dot tritium notch-and-post configuration.
- The finish is blued steel.
- The front color and ring use green photo-luminescent Ember technology.
- The rear is blacked out to increase contrast with the front sight.
- The front tritium lamp is brighter than the two rear lamps to aid low-light identification.
- The front blade width measures 0.145 inches (3.68 mm).
- The rear notch width measures 0.170 inches (4.32 mm).
- Intended firearm fit includes Glock 17, 19, 22-24, 26, 27, 31-36, and 38 (per supplied listings).
- Installation method is installable by sight pusher or hammer and punch.
R3D sights deliver a clean, high-visibility front sight and a low-profile rear that helps maintain a snag-free slide. The emphasis on a brighter front tritium lamp and Ember glow ring supports consistent sight alignment in changing light conditions, making these sights suitable for everyday carry and range use where quick, reliable sight acquisition is valued.
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