14 Best Glock 43x Night Sights of 2026 For Fast Low-Light Aiming

1

Night Fision Optics Ready Stealth .290-.297 Night Sight Set Compatible

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• ARS Mark

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  7.4
• Brand
  Night Fision

Key specs2

Optic Co-Witness Match

Built at .290-.297 blade height to provide a lower co-witness sight picture when running Shield RMSc or Holosun K optics on a Glock 43X MOS.

Ring Color Scheme

Black front ring and black rear rings

Pros & cons32

Pros

• Engineered at .290-.297 height for co-witnessing with Shield RMSc and Holosun K optics
• Blacked-out front and rear rings eliminate visual clutter around the glowing tritium vials
• Explicitly matches Glock 43, 43X, and 43X MOS slimline dovetail dimensions

Cons

• All-black ring outlines provide lower daytime contrast than brightly colored rings
• Optic-height profile requires verifying holster clearance at the front sight channel

2

TRUGLO Tritium X Night Sight Set, Compatible with Glock 42/43

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  7.9
• Brand
  TRUGLO

Key specs2

Holster Compatibility

Snag-free profile fits most standard holsters

Aiming Alignment

3-dot glowing front and rear configuration

Pros & cons32

Pros

• Snag-free exterior profile slides smoothly into standard carry holsters
• Traditional three-dot glowing tritium configuration offers familiar night alignment
• Compact design fits Glock 42 and 43 slimline slides

Cons

• Listing does not explicitly verify co-witness height for micro red dot optics
• Lacks high-visibility daytime colored ring around the front tritium lamp

3

TruGlo Glow-in-the-Dark Pistol Optic Compatible with Glock 42 & 43

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  8.0
• Brand
  TRUGLO

Key specs1

Illumination Method

Uses glow-in-the-dark illumination to provide sight visibility during low-light target alignment on Glock 42 and 43 slides.

Pros & cons32

Pros

• Glow-in-the-dark illumination aids sight acquisition in dark environments
• Slim profile designed specifically for Glock 42 and Glock 43 slides
• Low-profile configuration maintains clean clearance inside standard holsters

Cons

• Glow-in-the-dark illumination may require light charging unlike self-powered tritium
• Slide compatibility beyond Glock 42 and 43 is not stated in manufacturer data

4

AMERIGLO Trooper Series - Three-Dot Green Tritium Design Set Front

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  8.2
• Brand
  AmeriGlo

Key specs1

Day and Night Contrast

• Orange front ring for immediate daytime pickup
• Three green tritium lamps for low-light targeting
• Fits Glock 42, 43, 43X, and 48 slides

Pros & cons32

Pros

• High-contrast orange front outline provides rapid daytime front sight focus
• Three-dot green tritium configuration ensures self-powered night aiming
• Broad slimline fit covers Glock 42, 43, 43X, and 48 platforms

Cons

• Not specified for co-witnessing through mounted micro red dot sights
• Rear tritium dots can compete with the front sight under rapid low-light draws

5

Trijicon GL613-C-600846 HD

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  9.2
• Brand
  Trijicon

Key specs1

Model Specification

Trijicon HD series model GL613-C-600846

Pros & cons32

Pros

• Heavy-duty Trijicon construction engineered for daily concealed carry reliability
• Trijicon HD design emphasizes fast front sight focus in dynamic encounters
• Standard dovetail cut provides secure fitment on designated Glock slides

Cons

• Exact ring color and dot configuration must be confirmed from model GL613-C-600846
• Specific co-witness clearance with red dot optics is not detailed in listing

6

Night Fision Optics Ready Stealth .290-.297 Night Sight Set Compatible

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  9.0
• Brand
  Night Fision

Key specs2

Front Ring Finish

High-contrast yellow outline with black rear rings

Optic Co-Witness Match

Provides dedicated .290-.297 blade height matched for Shield RMSc and Holosun K micro optics on Glock 43X MOS slides.

Pros & cons42

Pros

• High-visibility yellow front ring accelerates daylight target acquisition
• Blacked-out rear rings keep visual focus locked onto the glowing front sight
• Engineered .290-.297 blade height co-witnesses with Holosun K and Shield RMSc optics
• Fits Glock 43, 43X, and 43X MOS factory slide dovetails

Cons

• Elevated stealth height requires confirming holster mouth clearance
• Taller blade profile increases holster channel clearance demands over standard irons

7

AMERIGLO Classic Tritium Green Tritium FRONT/ 2-Dot Tritium REAR White

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  8.4
• Brand
  AmeriGlo

Key specs2

Daytime Outline Style

White outlines on front and two-dot rear

Platform Fitment

• Glock 42
• Glock 43
• Glock 43X
• Glock 48

Pros & cons32

Pros

• White front and rear outlines provide clean three-dot visibility in bright light
• Green tritium lamps deliver reliable night illumination without battery dependence
• Confirmed slide fit across Glock 42, 43, 43X, and 48 slimline models

Cons

• White rear outlines can distract from front sight focus compared to blacked-out rears
• Does not offer tall optic height for co-witnessing through red dot lenses

8

AMERIGLO Protector Sight Set for Glock - Fits Models 42,

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  7.6
• Brand
  AmeriGlo

Key specs1

Carry Design Focus

Engineered as a dedicated Protector series sight set built for smooth, snag-free draws on slimline Glock carry models.

Pros & cons32

Pros

• Protector series profile designed for snag-free concealed carry draws
• Dovetail base machined to fit Glock 42, 43, 43X, and 48 slimline slides
• Low-profile build preserves compatibility with standard iron-sight holsters

Cons

• Listing does not detail specific tritium lamp or ring outline colors
• Standard height profile will not co-witness through micro red dot optics

9

AMERIGLO Protector Sight Set for Glock - Fits Models 42,

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  7.8
• Brand
  AmeriGlo

Key specs1

Series Alignment

AmeriGlo Protector configuration designed specifically for Glock 42, 43, 43X, and 48 defensive setups.

Pros & cons32

Pros

• Snag-resistant beveled edges aid smooth presentation from concealment
• Broad compatibility matches Glock models 42, 43, 43X, and 48
• Maintains standard factory sight height for universal carry holster fit

Cons

• Front ring color and rear notch dimensions are not specified in the listing
• Standard height does not clear red dot optic decks on MOS slides

10

TRUGLO Tritium Pro Night Sights, Compatible with Glock 42/43 MOS

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  8.1
• Brand
  TRUGLO

Key specs2

Front Sight Accent

White Focus Lock front ring

MOS Compatibility

Built specifically to interface with Glock 42 and Glock 43 MOS slide configurations.

Pros & cons32

Pros

• White Focus Lock front ring draws rapid visual focus during daylight shooting
• Compact, durable construction engineered specifically for Glock 42 and 43 MOS models
• Glow-in-the-dark front and rear sight set ensures nighttime target alignment

Cons

• Does not list explicit fit for standard non-MOS Glock 43X or 48 slides
• Requires confirming exact co-witness height with specific red dot base plates

11

XS Sights DXT2 Big Dot Tritium Night Sights. Tritium Front

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  7.1
• Brand
  XS Sight Systems

Key specs2

Front Dot Diameter

XS Big Dot with high-visibility orange front

Slide Versatility

• Glock 42, 43, 43X, and 48
• Factory MOS slide variants
• Express V-notch rear alignment

Pros & cons32

Pros

• Over-sized orange front dot provides immediate visual indexing in high-stress draws
• DXT2 tritium front and rear configuration enables simple dot-the-i night sighting
• Broad fitment covers Glock 42, 43, 43X, and 48 including factory MOS versions

Cons

• Big Dot geometry favors close-range defensive speed over precision distant target alignment
• Express rear V-notch sight picture differs from traditional square notch shooting

12

TRIJICON Suppressor/Optic Height Sight Set for Glock (GL243-C-601140)

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  7.9
• Brand
  Trijicon

Key specs2

Sight Height Class

Suppressor / optic height sight set

Part Identification

Trijicon model GL243-C-601140

Pros & cons32

Pros

• Tall suppressor and optic height clears red dot bases and suppressor profiles
• Engineered specifically for Glock slimline slides under part number GL243-C-601140
• Trijicon steel construction provides robust defensive durability

Cons

• Elevated front post requires an open-top or optic-ready holster channel
• Taller iron profile increases risk of catching on clothing without a bevel

13

AMERIGLO i-Dot Series Sight Set for Glock - Fits 42,

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  7.3
• Brand
  AmeriGlo

Key specs1

Dot Orientation

Uses AmeriGlo i-Dot vertical two-dot configuration for simplified vertical sight stacking in dark environments.

Pros & cons32

Pros

• Vertical two-dot i-Dot alignment eliminates horizontal dot confusion in low light
• Compact profile prevents holster snagging during concealed carry draws
• Designed to fit Glock 42, 43, 43X, and 48 slimline models

Cons

• Single rear center dot requires adapting away from traditional three-dot habits
• Standard height profile does not co-witness through micro red dot optics

14

AMERIGLO Trooper Series - Three-Dot Green Tritium Design Set Front

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  9.0
• Brand
  AmeriGlo

Key specs2

Front Ring Finish

LumiGreen high-visibility photoluminescent ring

Trooper Series Layout

• Green tritium lamps front and rear
• Photoluminescent LumiGreen front outline
• Fits Glock 42, 43, 43X, and 48

Pros & cons32

Pros

• LumiGreen front outline charges under light for exceptional daytime and transitional visibility
• Three-dot green tritium configuration provides self-illuminated low-light capability
• Direct dovetail fitment for Glock 42, 43, 43X, and 48 slides

Cons

• Standard height does not offer lower-third co-witness with red dot sights
• Rear green tritium dots can present visual competition against the front sight

Last update on 2026-10-03 / Affiliate links / Images, Product Titles, and Product Highlights from Amazon Product Advertising API

Will these night sights co-witness with a micro red dot on a Glock 43X MOS?

Yes, but only if you select dedicated optic-height or suppressor-height blades. Standard-height iron sights sit too low to clear the base of a reflex optic on an MOS slide. Dedicated configurations like the Night Fision Optics Ready Stealth .290-.297 set are engineered for the Glock 43X MOS paired with optics like the Shield RMSc and Holosun K line. Trijicon also manufactures the GL243-C-601140 Suppressor/Optic Height set to provide clean visibility through your optic window.

Is a high-contrast front outline faster to align than a standard three-dot design?

Yes, a bold colored front ring draws your eye instantly to the front blade during high-stress presentations. While long-gun shooters often rely on etched reticles in a Trijicon low power variable optic for precise holds, defensive handguns require instant front sight focus. Sets like the AMERIGLO Trooper utilize high-contrast Orange or LumiGreen front outlines, and the TRUGLO Tritium Pro features a White Focus Lock front ring. XS Sights DXT2 Big Dot sets utilize an Orange front sight that stands out immediately in daylight or transitional lighting.

Do aftermarket Glock 43X night sights snag on concealed carry holsters?

No, provided you choose sights designed with beveled, angled rear surfaces. Sights like the TRUGLO Tritium X incorporate a snag-free design specifically contoured to slide smoothly into standard holsters. Taller profiles, such as the Trijicon GL243-C-601140 Suppressor/Optic Height set or the Night Fision Optics Ready Stealth .290-.297 blades, require an open-top holster or an optic-cut holster with an elevated sight channel. Always confirm that your holster has adequate vertical clearance before carrying with tall sights.

Are Glock 43X night sights interchangeable with Glock 42, 43, and 48 models?

Yes, the Glock 43X shares its slimline slide dovetail dimensions with several other compact Glock handguns. Sights such as the AMERIGLO Trooper, AMERIGLO Protector, AMERIGLO i-Dot, and AMERIGLO Classic Tritium fit Glock 42, 43, 43X, and 48 slides. The XS Sights DXT2 Big Dot set also fits across Glock 42, 43, 43X, and 48 models, including MOS versions. If you move sights to an MOS model, verify that the rear sight base does not overhang the optic mounting cut.

Why do some night sight sets feature blacked-out rear rings instead of three glowing dots?

Subdued rear rings prevent your eye from confusing the front and rear dots in total darkness. Under sudden stress, three identical glowing green tritium dots can cause you to align the front sight outside the rear notch, pulling your point of impact off target. Sets like the Night Fision Optics Ready Stealth pair a yellow or black front ring with black rear rings to keep your vision pinned strictly on the front blade. Traditional options like the AMERIGLO Classic Tritium or TRUGLO Tritium X retain a three-dot setup for shooters who prefer three distinct reference points.

What should you verify before installing night sights on a Glock 43X slide?

Confirm whether your slide has an MOS optic cut and identify which sight blade height matches your sighting setup. Much like choosing the best setup for fast aiming on any firearm, your pistol parts must work together seamlessly. Sights like the Night Fision Optics Ready Stealth .290-.297 set provide optic clearance for slides paired with the Shield RMSc or Holosun K line. If you carry a standard iron-sight slide without an optic, slimline profiles from the AMERIGLO Protector, AMERIGLO Trooper, or TRUGLO Tritium X lines replace fragile stock plastic with durable steel while maintaining standard sight geometry.