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The Best Glock 21 Night Sights of 2023 – Reviewed and Top Rated

2,526 Reviews Scanned

SaleRank No. #1

TRUGLO Tritium Handgun GlowintheDark Night Sights for Glock Pistols, Glock 20, 21, 25, 28, 29, 30 and more,Black

DAY & NIGHT SIGHTS - When the lights go out, your sidearm doesn't need to be left in the dark; The TruGlo Tritium Handgun Sights transition from white dots during the daylight, to glowing green dots for superior visibility in low-light conditions
HIGH VISIBILITY - These Glowing Gun Sights feature Swiss Tritium elements that provide a bright and consistent glow, along with an excellent sight picture in low light or even complete darkness; Tritium does not require batteries or any light exposure
DURABLE CONSTRUCTION - You're on the go and count on your handgun to be rugged and reliable; Your gun sights should be held to the same standard - which is why TruGlo Night Sights are machined from solid steel and treated with a Fortress Finish
SNAG-FREE DESIGN - Durable and reliable, the Tritium Handgun Sights have a smooth and snag-resistant design, that won't catch on clothing and fits standard holsters; These compact-sized Gun Sights are perfect for faster target acquisition
COMPATIBILITY - The Tritium Night Sight Set is compatible with Glock 20, 21, 25, 29, 30, 31, 32, 37, 40, & 41 (Excludes M.O.S. models); The TruGlo Front & Rear Handgun Sights are indispensable shooting accessories no matter the lightning

Rank No. #2

TRUGLO Tritium Pro Glow-in-The-Dark Handgun Night Sights for Glock Pistols, Glock MOS 20, 21, 25, 28, 29 and More, White Ring

GLOWING SIGHTS - The TruGlo Tritium Pro Handgun Sights transition from white dot sights during the daylight to glowing green dots at night; The front sight also features a highly visible Focus-Lock ring for increased accuracy and faster focus
DURABLE CONSTRUCTION - You're on the go and count on your gun to be rugged and reliable; Your night sights should be held to the same standard - which is why the Tritium Pro Handgun Sights are machined from solid steel and protected with a Fortress Finish
UNMATCHED VISIBILITY - The Tritium Pro Night Sight Set glows in the dark 24/7 and does not require batteries or any light exposure; Swiss Tritium elements ensure a bright and consistent glow, providing an excellent sight picture even in complete darkness
TACTICAL ADVANTAGE - These compact Gun Sights include all the advantages of TruGlo Tritium Sights while adding a U-notch rear sight for increased accuracy, and an angled rear sight edge to give you tactical superiority when operating your gun
COMPATIBILITY - Highly visible in any light conditions, this Front and Rear Night Sight Set is compatible with Glock M.O.S. 20, 21, 25, 29, 30, 31, 32, 37, 40, & 41; The compact design maintains a factory sight radius and fits most standard holsters

Rank No. #3

AMERIGLO Spartan Green Tritium Orange Outline FRONT/ 2-Dot Green Tritium Black Outline REAR Square Notch Sight Set Compatible with Glock Gen 1-4 10mm/.45/.357

For Glock 20,21,29,30,31,32,36,40 and 41
Tritium lamp
Model Number:GL448
Country of Origin:United States

SaleRank No. #4

Trijicon GL601-C-600836 Night Sight,HD XR Orange Front Outline

Trijicon GL601-C-600836 night sight
Set Org front Outline for Glock 17
17L, 19, 22, 23, 24, 25, 26, 27, 28, 31, 32, 33, 34, 35, 37, 38, and 39
Notch Width:0.169 inch
One-handed slide manipulation

SaleRank No. #5

Meprolight Tru-Dot tritium Night Sights Compatible with Glock 10MM/45ACP 20 21 29 30 36 41 Green tritium dots Glow on Sight self Illuminated Fixed Metal Sights

COMPATBILITY: Compatible with Glock large frame 10MM/45ACP 20, 21, 29, 30, 36, 40, and 41 (S and SF)
GETTING ON TARGET: The MEPRO TRU-DOT fixed Night Sights offer the most reliable illumination for day or night shooting. Premium grade tritium vials make your sights visible in lowlight and nighttime conditions. The Tritium vials are surrounded by white reflective material that maximize the intensity and brightness of the tritium source to ensure fast target acquisition. Both rear and front tritium source appear white during the day.
ALWAYS ON: Tritium powered, No batteries, No light needed – Always producing light and always ready 24/7/365. Does not need to be charged with a light source unlike Phosphorus. 3 tritium colors available for the rear sight only: green/yellow/orange (for selected models) whereas only green tritium color is available on the front sight. Maintenance free, can be mounted directly with no modifications.
HIGH DURABILITY: The MEPRO TRU-DOT sights are drop- and shockproof. Made of steel, they make an excellent upgrade to your pistol and gives you instinctive aiming under pressure. Trusted by law enforcement and military personnel over the world, these tritium Sights are reliable in any lighting or weather condition.
12-year guarantee for tritium illumination.

Rank No. #6

TRUGLO Fiber-Optic Handgun Night Sight | Compact Durable Snag-Resistant High-Visibility Red Front & Green Rear Sight, Compatible with Glock High Handguns

BRIGHT NIGHT SIGHT - Increase accuracy and improve your shooting skills with the TruGlo Fiber-Optic Handgun Sight; This high visibility Night Sight combines fiber optics and durable construction, providing reliability, accuracy, and maximum brightness
UNMATCHED VISIBILITY - Featuring a TRI DOT aiming system of contrasting front and rear colors and fiber optics, the TruGlo Glowing Gun Sight provides bright aiming points even in low-light conditions; This Night Sight doesn't require the use of batteries
COMPACT DESIGN - The TruGlo Glow Sights for handguns have a snag-resistant design, and the concealed fiber cannot be seen by the target; In addition, these compact-sized Handgun Sights are suitable for standard holsters
FORTRESS FINISH - When the pressure is on, you have to be strong; The snag-resistant Gun Sight is built to last with the CNC-machined steel body protected with a Nitride Fortress Finish, that provides maximum durability and a long service life
COMPATIBILITY - Designed for professional shooters, this Fiber Optic Night Sight is compatible with Glock 20, 21, 25, 29, 30, 31, 32, 37, 40, & 41 (Excludes M.O.S. models); Upgrade your handgun with the TruGlo Glowing Sight

Rank No. #7

XS SIGHTS 3-Dot Tritium Night Sights, Fits Glock Gen 1 – 5 +MOS Pistols, Dual Illuminated Orange Front Sight Equipped with Tritium/Photoluminescent Glow Dot (Glock 20, 21, 29, 30, 30S, 37, 41)

Fits Glock 20, 21, 29, 30, 30S, 37, and 41 INCLUDING MOS pistols. XS night sights fit Glock Gen 1 to 5 pistols. Easy DIY Installation.
Glows 24/7: Self-Illuminated tritium glows 24/7 providing a bright, battery free, low light visible sight picture.
Fast Sight Acquisition: Highly visible 3-dot tritium sights provide fast sight acquisition and accurate shot placement day or night. Front sight equipped with an orange photoluminescent glow dot paired with tritium.
Anti-Glare Rear Sight: Blacked-Out rear sight drives focus to the front sight. Rear sight ledge allows for one-handed slide manipulations.
Rugged Iron Sights: Durable CNC machined night sights made from solid steel for a dependable upgrade over factory sights. Proudly made in FT. Worth, TX.

Rank No. #8

TRUGLO unisex adult Glock 20, 21, 25, 28, 29, 30 and more TFO Sights, Green Rear, One Size US

FASTER TARGET ACQUISITION - When brightness counts, get the TruGlo TFO Night Sight, compatible with Glock Handguns; Increase accuracy and improve your shooting skills with this Tritium & Fiber-Optic Handgun Sight, perfect for faster target acquisition
UNMATCHED VISIBILITY - When shooting in glaring daylight or complete darkness, in any situation, this Bright Gun Sight gathers all existing light and holds it tight for unmatched visibility; In addition, concealed fiber cannot be seen by the target
TFO TECHNOLOGY - Combining glow-in-dark Swiss Tritium and Fiber-Optic elements, this TruGlo Night Sight for handguns provides a consistently bright picture; This patented TFO technology ensures 24-hour visibility without any batteries or light exposure
SNAG-FREE DESIGN - Constructed of durable CNC-machined steel and protected with a Nitride Fortress Finish, this TFO Glowing Sight is built to last; Moreover, the snag-resistant design won't catch on clothing and fits standard holsters
COMPATIBILITY - The TFO Green Front & Green Rear Sights are compatible with Glock 20, 21, 25, 29, 30, 31, 32, 37, 40, & 41 Handguns (excludes M.O.S. models); The TruGlo Gun Sights are indispensable shooting accessories in any light conditions

Rank No. #9

AmeriGlo Combative Application Pistol Sight fits Glock 20,21,29,30,31,32,36, Green/Green

AmeriGlo sights are Machined from us-made bar stock steels and Assembled using Swiss-made tritium light sources.
AmeriGlo sights are used worldwide by Law Enforcement, military, defense-minded free citizens, and recreational Shooters
Cnc-machined steel

Rank No. #10

Glock OEM Night Sight Set 6.9 Stock Accessories

Metal sights
Designed for Gen 3 and 4
6.9mm rear sight, front sight with screw
Compatible models 20, 21, 29, 30, 31, 32, 36, 41

Rank No. #11

AmeriGlo Hackathorn Sight Set Compatible with Glock 20/21, Black

Green tritium orange round outline front
Black serrated rear
Made in China

Rank No. #12

Night Fision Tritium Night Sight Set Compatible with Glock 20/21/29/30/36/40/41, Orange Front Ring, U Notch Black Rear Rings

OUTSTANDING BRIGHTNESS: Night Fision Tritium Night Sights are considered the brightest night sights on the market; the Tritium gas used in these sights provides a bright and consistent illumination in low light conditions, making it easier for the shooter to acquire their target quickly
SHARP SIGHT PICTURE: The domed lens of the sights collimates tritium rays, which helps to provide a sharper sight picture, this feature allows the shooter to have a clearer view of their target, making it easier to aim accurately
DURABLE CONSTRUCTION: Night Fision Tritium Night Sights are CNC machined out of high-quality steel, this construction ensures that the sights are robust, sturdy, and able to withstand heavy use and recoil; additionally, these night sights have a fluorescent and phosphorescent ring that provides added visibility in low light conditions
COMPATIBILITY WITH GLОСK: This night sight set is specifically designed to be compatible with Glock 20/21/29/30/36/40/41 guns; in different sight styles, including u-notch and square notch, which allows the shooter to select the style that works best for their shooting style and preferences
VARIOUS FRONT SIGHT COLOR OPTIONS: Night Fision Tritium Night Sights are available in different front ring color options, such as yellow, orange, and white, this allows the shooter to choose the best color that works for their individual needs and preferences

Rank No. #13

XS SIGHTS R3D Tritium Night Sight for Glocks Gen 1-5 and Taurus, Front and Rear Glow in The Dark Tritium for Tactical Applications (Orange, Glock 20, 21, 29, 30, 30s, 37, 41)

Fits Glock 20, 21, 29, 30, 30S, 37, 40, 41 - All Generations. Fits Mos Models. Front Sight Tool, Allen Key And Thread Locker Included.
R3D 3-Dot Tritium Set With Front Sight Available In An Orange Or Green Photoluminescent Glow Dot. Self-Illuminated Tritium Glows 24/7 Providing A Bright, Battery Free, Low Light Visible Sight Picture.
Photoluminescent Glow Dot Provides High Contrast Visibility In Bright Light, Absorbs Ambient Light, And Glows With The Self-Illuminated Tritium
Blacked-Out Rear Sight Drives Focus To The Front Sight. Rear Sight Ledge Allows For One-Handed Slide Manipulations.
Steel Sights, Made In The USA, No Questions Asked Warranty. XS Sights Are Machined In Fort Worth, TX From American Made Steel. We Stand Behind Our Products With A 10-Year, No Questions Asked Warranty.

Rank No. #14

XS Sights F8 Tritium Night Sight, Large Tritium Front Sight, Low Light Visibility, DIY Sights, Fast Target Acquisition Day Or Night, Fits Select Glocks

CONFIRM YOUR COMPATIBILITY: The F8 Night Sights match with an extensive range of Glock models; This model works with Glock 20, 21, 29, 30, 37, 30S, 40, 41
EXCEPTIONAL VISIBILITY: The F8 Night Sights set themselves apart with their tritium-powered front and rear sights; These offer superior visibility, even in low-light conditions; An added photoluminescent orange Glow Dot on the front sight absorbs surrounding light, illuminating in low light for optimal visibility
UNIQUE FIGURE 8 DESIGN: The innovative figure-8 sight picture of the F8 Night Sights helps eliminate confusion between front and rear sights, significantly improving shooting precision; Notably taller than most competitors, these sights encourage a more natural sight alignment and can double up as backup iron sights for certain pistol reflex sights
IMPRESSIVE VERSATILITY: These sights display remarkable versatility, fitting seamlessly with standard holster options and aligning perfectly with EOTech EFLX on factory-cut slides. The design incorporates a rear sight that extends beyond the slide to reduce glare, coupled with an anti-reflective tritium lens at the rear for a clear sight picture, even under intense sunlight
DURABLE CONSTRUCTION & ASSURANCE: The F8 Night Sights boast robust, CNC-machined steel construction, promising longevity; Confidence in their durability is backed by a 12-year warranty on the tritium component and a 30-day satisfaction guarantee, making these sights an investment well worth considering

Rank No. #15

XS Sights DXT2 Big Dot Tritium Night Sights. Tritium Front and Rear Set. Fits Glock 20,21,29,30,36,37,38,39,40,41 Models Including MOS Versions. Orange Front Sight

Fits Glock 20,21,29,30,36,37,38,39,40,41 models including MOS versions & all generations. Tritium front & tritium rear set.
Glows 24/7: Self-Illuminated tritium glows 24/7 providing a bright, battery free, low light visible sight picture. Front sight available with dual illuminated tritium & photoluminescent Glow Dot front sight.
Fast Sight Acquisition: Highly visible tritium front sight provides fast sight acquisition and accurate shot placement day or night. Industry Leading Big Dot Front Sight helps overcome eyesight issues and gets you on target quickly.
See More Down Range: The V-notch rear allows for greater visibility down range and increase front visibility. The simple dot-the-i sight picture requires only two alignment points, which reduces stress on the eyes.
Rugged Iron Sights: Durable CNC machined night sights made from solid steel for a dependable upgrade over factory sights. Proudly made in FT. Worth, TX.

Rank No. #16

Ameriglo 3 Dot Tritium For Glock 20/21/29

TRITIUM ILLUMINATION - Front sight boasts green Tritium lamp surrounded by white outline, providing highly visible aiming point; Rear sight features two green Tritium lamps with white outlines, ensuring contrast and quick alignment in low-light situations
CONTRASTING COLOR OUTLINES - White outlines around the Tritium lamps on both the front and rear sights enhance visibility and aid in quick sight alignment; This feature is particularly valuable in varying lighting conditions, ensuring clear sight picture
DURABLE CONSTRUCTION - With a case-hardened finish, Tritium sights are built to withstand the demands of regular use; The robust construction ensures long-lasting durability and reliable performance, making them suitable for a range of shooting scenarios
VERSATILE COMPATIBILITY - Tailored to be compatible with Glock Gen 1-4 models chambered in 10mm, .45 ACP, and .357 SIG, these sights offer Glock enthusiasts a specific solution for their chosen caliber; Also they are compatible with MOS slides
SQUARE NOTCH DESIGN - The rear sight's square notch shape contributes to a well-defined sight picture, facilitating precise alignment with the front sight; This design element supports consistent shot placement and accuracy

Rank No. #17

TRUGLO TFX Pro Tritium and Fiber Optic Xtreme Handgun Sights for Glock Pistols

DAY & NIGHT SIGHT - Upgrade your handgun with the Truglo TFX PRO Sight, specially designed for professional shooters; This Glowing Gun Sight combines a fiber-optic and a tritium vial in a patented capsule, providing ultimate reliability and accuracy
UNMATCHED VISIBILITY - Featuring a compact snag-free design and longer sight radius, the Truglo Night Sight also provides maximum brightness; This Handgun Sight glows in the dark and does not require the use of batteries or light exposure
FOCUS LOCK - This Truglo TFX PRO Glow Sight for handguns fits standard holsters and features a high contrast orange Focus Lock front ring, which ensures fast and accurate shooting; In addition, the concealed fiber cannot be seen by the target
SHOCK-RESISTANT CAPSULE - The TFX PRO Night Sight for handgun has a patented hermetically-sealed and virtually indestructible TFX capsule; With the Swiss tritium combined with bright fiber-optics, the TFX Pro Handgun Sight is always bright-ready 24/7
FORTRESS FINISH - The shock-resistant Gun Sight is impervious to oils, chemicals, cleaning solvents, and ultra-sonic cleaning processes; Moreover, the CNC-machined steel body is protected with a rust-resistant Fortress Finish, providing maximum durability

Rank No. #18

AMERIGLO Ghost Ring Series Sight Set for Glock - Fits Gen 1-4 10mm/.45/.357

Front Sight - Green Tritium With White Outline
Rear Sight - Aperture Style Two Dot Green Tritium
Features Ghost Ring aperture-style rear sight that focuses shooter’s eye to front post
Design is ideal for aging eyes or people who have trouble aligning traditional iron sights
Fits Glock Gen 1-4 10mm/.45/.357

Rank No. #19

AmeriGlo GL-329 Tall Suppress 3Dot Tritium For Glock, Black

Tall Suppressor Set, All Models Except 42, 43
Rear Tritium Color: Green With White Outline
140 Inch Wide Front, 150 Inch Notch
Country Of Origin: China
Sport type: Hunting

Rank No. #20

TRUGLO TFO Handgun Sight Set - Glock Low

FASTER TARGET ACQUISITION - When brightness counts, get the TruGlo TFO Night Sight, compatible with Glock Handguns; Increase accuracy and improve your shooting skills with this Tritium & Fiber-Optic Handgun Sight, perfect for faster target acquisition
UNMATCHED VISIBILITY - When shooting in glaring daylight or complete darkness, in any situation, this Bright Gun Sight gathers all existing light and holds it tight for unmatched visibility; In addition, concealed fiber cannot be seen by the target
TFO TECHNOLOGY - Combining glow-in-dark Swiss Tritium and Fiber-Optic elements, this TruGlo Night Sight for handguns provides a consistently bright picture; This patented TFO technology ensures 24-hour visibility without any batteries or light exposure
SNAG-FREE DESIGN - Constructed of durable CNC-machined steel and protected with a Nitride Fortress Finish, this TFO Glowing Sight is built to last; Moreover, the snag-resistant design won't catch on clothing and fits standard holsters
COMPATIBILITY - The TFO Green Front & Green Rear Sights are compatible with Glock 17/17L, 19/19X, 22, 23, 24, 26, 27, 33, 34, 35, 39, & 45 (excludes M.O.S. models); The TruGlo Gun Sights are indispensable shooting accessories in any light conditions

Last update on 2023-08-02 / Affiliate links / Product Titles, Images, Descriptions from Amazon Product Advertising API

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Is it worth buying an Glock 21 Night Sights?
What benefits are there with buying an Glock 21 Night Sights?
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Why is it crucial to invest in any Glock 21 Night Sights, much less the best one?
Which Glock 21 Night Sights are good in the current market?
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Potential sources can include buying guides for Glock 21 Night Sights, rating websites, word-of-mouth testimonials, online forums, and product reviews. Thorough and mindful research is crucial to making sure you get your hands on the best-possible Glock 21 Night Sights. Make sure that you are only using trustworthy and credible websites and sources.

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Brand Value: Every brand of Glock 21 Night Sights has a value all its own. Most brands offer some sort of unique selling proposition that’s supposed to bring something different to the table than their competitors.
Features: What bells and whistles matter for an Glock 21 Night Sights?
Specifications: How powerful they are can be measured.
Product Value: This simply is how much bang for the buck you get from your Glock 21 Night Sights.
Customer Ratings: Number ratings grade Glock 21 Night Sights objectively.
Customer Reviews: Closely related to ratings, these paragraphs give you first-hand and detailed information from real-world users about their Glock 21 Night Sights.
Product Quality: You don’t always get what you pay for with an Glock 21 Night Sights, sometimes less, and sometimes more.
Product Reliability: How sturdy and durable an Glock 21 Night Sights is should be an indication of how long it will work out for you.

We always remember that maintaining Glock 21 Night Sights information to stay current is a top priority, which is why we are constantly updating our websites. Learn more about us using online sources.

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FAQ:

Q: What is the best sight for a Glock?

A: The Burris 300235 Fastfire III No Mount 3 MOA Sight is another sight that is in the running for being the best Glock reflex sight. When you buy this reflex sight, you are also provided with a lifetime warranty.

Q: What is the height of a Glock 19?

A: The Glock 19 has a 4-inch barrel, with an overall length of 7.36 inches. The gun is 5 inches tall, and is 1.18 inches wide at the slide.

Q: What are sights for Glock?

A: There are different types of Glock sights available on the market. Different sights have different aiming systems, such as the three dot, two dot, i-dot, and u-shaped sights. Each of them has its own pros and cons, along with the respective situations they are good for.