TRUGLO Brite-Site Tritium Night Sights Glock 42/43/43X/48 - Green

For GLOCK 42, 43, 43X, and 48 owners who want always-on tritium night sights at a practical price point, the TRUGLO Brite-Site TG231G1A delivers CNC-machined steel construction, Swiss tritium vials front and rear, snag-resistant profiles that fit standard holsters, and TRUGLO's Fortress finish permanent protective coating — assembled in the USA, no batteries or light charging required.

The TRUGLO Brite-Site TG231G1A is a tritium night sight set designed for GLOCK 42, 43, 43X, and 48 owners (excluding MOS models) who want a direct factory sight replacement with green tritium front and rear, CNC-machined steel construction, and standard-holster compatibility in a budget-accessible night sight package.

Tritium night sights glow through radioactive decay — a self-sustaining process that requires no batteries, no light charging, and no shooter action to activate. The vials simply glow, transitioning naturally from appearing as standard white dot sights in daylight to glowing green tritium dots in low light and complete darkness, providing a consistent 3-dot sight picture across any lighting condition. TRUGLO sources Swiss tritium for the TG231G1A, which is widely regarded as among the brightest and most consistent tritium available for sight applications. The CNC-machined steel construction provides the precision dimensional accuracy needed for consistent zero retention through daily carry and repeated draw cycles, with TRUGLO's Fortress finish — a permanent protective nitride coating applied to the steel frame — providing corrosion resistance and long-term protection against the sweat, chemicals, and environmental exposure that a carry handgun encounters through normal use. The snag-resistant design keeps the sight profile clean for a smooth draw from standard holsters without requiring the user to purchase a new optic-height or specialty holster.

Compatible with: GLOCK 42, 43, 43X, and 48 (excluding MOS models). Front: green tritium, square post. Rear: green tritium, square notch. Frame material: CNC-machined steel. Finish: Fortress nitride permanent protective coating, black. Installation: front post thread-in, rear dovetail. Fits standard holsters. Assembled in the USA. Swiss tritium vials.

Swiss tritium vials provide maximum brightness in low-light and no-light conditions with no batteries or charging required. Fortress finish permanent nitride protective coating delivers long-term corrosion resistance for carry applications. Snag-resistant sight profile fits standard holsters without modification.

The practical all-conditions night sight upgrade for GLOCK 42, 43, 43X, and 48 owners who want Swiss tritium reliability, CNC-machined steel construction, and standard holster compatibility in a straightforward green-on-green 3-dot package.

Backed by TRUGLO's limited warranty. Assembled in the USA.