The XS Sights R3D 2.0 is a suppressor-height night sight set designed for Glock 42, 43, 43X and 48 pistols. It combines self-luminous tritium lamps front and rear with a photoluminescent glow dot on the front post to aid alignment in low-light and no-light conditions. The set uses a wider front post and a 0.170″ wide rear notch to promote fast sight alignment while the serrated, anti-reflective rear reduces glare. BlackNitride corrosion-resistant finish and CNC-machined steel construction are intended for everyday carry and duty use.
Key Specifications
- Compatible with Glock 42, 43, 43X, and 48.
- Front and rear are fitted with self-luminous tritium lamps for low-light visibility.
- Front sight includes a photoluminescent green Glow Dot that absorbs ambient light.
- The front sight measures 0.145 inches wide for an enhanced sight picture.
- The rear notch measures 0.170 inches wide to increase target visibility on either side of the front post.
- Rear sight is serrated and anti-reflective to reduce glare.
- Finished with BlackNitride for wear and corrosion resistance.
- Constructed from CNC-machined steel with tritium front and rear.
- Includes 12-year rated service life for the tritium lamps.
With suppressor-height geometry and revised dovetail dimensions, the R3D 2.0 is built for installs with a sight pusher or by a professional gunsmith and is compatible with many factory MOS optics footprints. The combination of a high-contrast photoluminescent front and brighter rear tritium lamps improves sight differentiation in low light while the rear ledge aids one-handed slide manipulations.
Durable and practical, the R3D 2.0 set is engineered to provide reliable low-light performance and installation ease for everyday carry and duty applications. Its suppressor-height profile and optics compatibility make it a versatile upgrade for Glock owners seeking a clear, functional sight picture in varied lighting conditions.
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