SKU: Meprolight-0122243301 Category:


MEPRO TRU-DOT® Self-Illuminated Mepro R4E Pistol Sight

  • COMPATIBILITY: Designed to be compatible with all Glock models.
  • GETTING ON TARGET: The MEPRO TRU-DOT R4E fixed Night Sights have been meticulously crafted in collaboration with former US Special Forces operators. The R4E employs three vertical features and two horizontal lines, resulting in a crosshair reticle type sight picture that significantly enhances target acquisition time and accuracy. The integration of a crosshair layout with self-illumination grants users the capability to shoot with utmost precision, whether it be day or night.
  • ALWAYS ON: Premium grade tritium vials ensure optimal visibility of your sights in lowlight and nighttime conditions. With no reliance on batteries or external light sources, they provide constant illumination 24/7 for up to 12 years. Unlike Phosphorus, tritium vials do not require charging and are available in green or orange for both rear and front sights. Installation is hassle-free, requiring no modifications. Please note that the front sight vertical line is painted white and does not emit light in the dark.
  • HIGH DURABILITY: The MEPRO TRU-DOT R4E sights are designed to be drop- and shockproof, ensuring durability in any situation. Crafted from robust steel, they serve as an exceptional upgrade, providing enhanced accuracy even in high-pressure scenarios. These tritium sights exhibit unwavering reliability in diverse lighting and weather conditions.
  • Experience 12 years of brilliant tritium illumination, guaranteed!


The MEPRO TRU-DOT RE4 fixed self-illuminated night sights, developed in collaboration with former experienced US Special Forces veterans, offer enhanced target acquisition time and accuracy. With its crosshair reticle design using three vertical features and two horizontal lines, these sights provide improved shooting capabilities both day and night. The premium-grade green or orange tritium vials ensure visibility in low light and nighttime conditions, while the durable steel construction guarantees drop- and shockproof performance. Upgrade your aiming precision with these reliable sights, always ready 24/7 for 12 years.



MEPROLIGHT is a renowned manufacturer and global supplier of self-illuminated/illuminated sights, top-grade electro-optical and optical sights, night vision, and thermal sights and devices. For over three decades, we have proudly served leading armed forces, law enforcement agencies, and the commercial/civilian markets worldwide. We are the world’s leading supplier of self-illuminated/illuminated sights for handguns, rifles, and shotguns, catering to esteemed firearms manufacturers in the US and Europe.

Meprolight products, purpose-built and battle-tested, are relied upon by militaries, law enforcement, and consumers worldwide. With a track record of delivering over 36 million sighting and aiming devices, Meprolight continues to serve its loyal customer base across the globe.

MEPROLIGHT production processes adhere to the rigorous quality standards of ISO9001 (Quality Management System), ISO14001(Environmental Management System), and ISO18001 (Occupational Health and Safety Management System).  At Meprolight, all products and processes are executed, supervised, and scrutinized to ensure compliance with these exacting criteria.