XS Sights R3D 2.0 Suppressor Height Night Sights – Glock 43X/48

The XS Sights R3D 2.0 suppressor-height night sight set provides a dual-illuminated notch-and-post sight picture designed for use on suppressor/RMR-height Glock pistols. The set pairs a photoluminescent high-contrast front surround with self-luminous tritium lamps in both front and rear for improved low-light alignment. The rear sight is serrated with an anti-reflective lens and includes an edge/ledge for one-handed slide manipulations. The R3D 2.0 features a BlackNitride surface finish and revised dovetail dimensions intended to simplify installation and extend service life.

Key Specifications

• The set features a tritium front and rear for self-luminous low-light visibility.
• The front sight includes a photoluminescent Glow Dot with an orange Ember surround for high contrast.
• The rear sight uses a 0.170" wide notch to increase visibility on either side of the front post.
• The front sight measures 0.145" wide as specified in the product materials.
• The finish is BlackNitride for improved wear and corrosion resistance.
• The sights are constructed from CNC machined steel with durable tritium lamps.
• The rear sight is serrated and fitted with an anti-reflective tritium lens to reduce glare.
• The rear sight includes a ledge to aid one-handed slide manipulations.
• The tritium lamps carry a 12 year rated service life for low/no-light use.
• The set is described as compatible with Glock suppressor/RMR height pistols (models listed include 42, 43, 43X, and 48).

The R3D 2.0 is built for everyday carry and duty use where reliable sight acquisition in varied light conditions matters. Its combination of a high-contrast photoluminescent front, brighter rear tritium lamps, serrated blacked rear, and durable BlackNitride finish gives a practical balance of visibility, longevity, and serviceability for modern Glock pistols configured for suppressor or red-dot-height sights.