XS Sights R3D 2.0 Night Sights for Glock 42/43/43X/48

Description

The XS Sights R3D 2.0 is a second-generation tritium notch-and-post sight set designed for Glock compact pistols (fits Glock 42, 43, 43X and 48). Both front and rear sights incorporate self-luminous tritium lamps for reliable low-light visibility, while a photoluminescent Glow Dot on the front provides supplemental contrast in dim conditions. Constructed from CNC machined steel with a Black Nitride finish, the set emphasizes durable service life and resistance to wear and corrosion. The rear sight is serrated and shaped to reduce glare and assist one-handed slide manipulations.

Key Specifications

• The set fits Glock 42/43/43X/48.
• Front sight uses a green tritium lamp with a photoluminescent green outline Glow Dot.
• Rear sight uses green tritium lamps with a black PVC ring to define the sight picture.
• Front sight width is 0.145 inches.
• Rear notch width is 0.170 inches.
• Frame material is CNC machined steel.
• Surface finish is Black Nitride for corrosion and wear resistance.
• The rear sight is serrated to reduce glare.
• The rear sight includes a ledge to aid one-handed slide manipulations.
• Tritium lamps include a 12 year warranty.

R3D 2.0 sights deliver a clear, defined sight picture in a compact footprint suited to everyday concealed carry and duty use. The combination of brighter rear tritium lamps, a high-contrast front Glow Dot, and a corrosion-resistant Black Nitride finish provides consistent low-light performance and long-term durability. Designed for straightforward installation and reliable service life, these sights are a practical upgrade for Glock owners who prioritize dependable sight acquisition and rugged construction.

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