Trijicon Fiber Optic Sight Set for Glock 42

Trijicon
UPC:
719307270220
$90.69
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The Trijicon Fiber Optic Sight Set for the Glock 42 brings precision-engineered, competition-proven fiber optic technology to one of the most popular concealed carry pistols on the market, delivering an ultra-bright aiming point in virtually any lighting condition.

  • Engineered with the same fiber optic materials found in Trijicon's battle-proven ACOG
  • Delivers the absolute brightest aiming point available in a fiber optic sight
  • Thin, refined sight picture optimized for both speed and accuracy on target
  • Purpose-built fit for Glock 42 and Glock 43 pistol platforms
  • Constructed for durability without sacrificing a clean, fast sight acquisition
  • Ideal for concealed carry, range training, and competitive shooting applications

Who This Is For

This sight set is purpose-built for Glock 42 owners who demand a fast, reliable aiming solution — whether they're drawing from a concealed holster on a daily basis or pushing their split times on the competition stage. Shooters who want Trijicon's legendary optics quality in an affordable, day-use fiber optic package will find this an excellent upgrade over factory plastic sights.

Trijicon Fiber Optic Sight Set for Glock 42 - front view Trijicon Fiber Optic Sight Set for Glock 42 - alternate angle

Specifications

BrandTrijicon
Sight TypeFiber Optic
Compatible ModelsGlock 42, Glock 43
Front SightFiber Optic Rod
Rear SightFiber Optic
Sight PictureThin, Refined Profile
Illumination SourceAmbient Light (Fiber Optic)
InstallationProfessional Installation Recommended
ManufacturerTrijicon (Aftermarket Fit)

Frequently Asked Questions

Do I need a gunsmith to install these sights on my Glock 42?

Trijicon recommends professional installation for this sight set. While experienced gun owners with the proper sight pusher tool may be able to install them at home, having a qualified gunsmith perform the installation ensures correct fitment, proper torque on any set screws, and protects your pistol's slide from damage during the process.

How do fiber optic sights differ from tritium night sights?

Fiber optic sights gather and channel ambient light — including sunlight and indoor lighting — to produce an extremely bright, vivid aiming dot in daylight and well-lit environments. Unlike tritium night sights, they do not glow in complete darkness. If you primarily carry or compete in daylight conditions, fiber optic sights often produce a brighter, faster-to-acquire dot than tritium alone. For low-light or nighttime use, a tritium or tritium/fiber optic hybrid sight may be a better choice.

Will these sights fit any other Glock models besides the Glock 42?

This specific Trijicon Fiber Optic Sight Set is designed to fit the Glock 42 and Glock 43 platforms. These sub-compact pistols share a similar slide profile, allowing for a shared sight cut. They are not compatible with full-size or compact Glock models such as the G17, G19, or G26, which require different sight dimensions. Always verify your specific model before purchasing.