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DXT2 Big Dot Night Sights - Smith and Wesson

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Don't Struggle to See Your Front Sight!

Our DXT2 Night Sights for Smith and Wesson pistols are tritium night sights specifically crafted to enhance the performance of your EDC pistol. These defensive sights are meticulously designed with features to ensure optimal visibility in low-light conditions. The front sight utilizes a unique photoluminescent Glow Dot, which absorbs surrounding light and emits a gentle glow when lighting is limited. The convex shape of the dot provides a larger surface area, maximizing light absorption and intensifying the brightness of the Glow Dot. Our primary objective when designing the DXT2 sights was to make them large and highly visible, addressing common issues such as aging eyes and deteriorating vision. During our testing, we observed that the orange front sight is most visible in daylight, while the yellow variant glows brighter in low-light environments. The rear sight features a shallow V shape, ensuring a simple, low-profile design that offers an extensive field of view.

To prevent confusion between the front and rear sights in high-stress situations, we adopted the "dot-the-i" sight picture. This sight picture consists of a tritium dot in the front sight and a tritium bar in the rear sight, facilitating quick and accurate target acquisition. In most gunfights, both the victim and attacker are in motion, with the victim primarily focused on the threat. The DXT2 Night Sights address these challenges by being big, bright, and easy to see, regardless of the time of day.

XS DXT2 Tritium Night Sights serve as exceptional defensive sight choices for your pistol, ensuring the front sight remains visible regardless of lighting conditions. With these sights, you will be prepared for any potential confrontation, regardless of the lighting conditions you’re in.

Product Features

  • Tritium powered front and rear sight
  • Big Dot front measures 0.188"
  • High-contrast colored front sight 
  • Glow dot absorbs ambient light and glows in low light
  • Low-profile V rear provides greater visibility of front sight
  • Simple dot-the-"i" sight picture
  • Rear sight white outline with tritium center
  • Rear sight ledge for one-handed slide manipulations
  • Durable CNC machined steel 
  • 12-year warranty on tritium
  • 30 Day Satisfaction Guarantee
  • Fits standard holster options

XS DXT2 sights are easily installable by using a hammer and punch.

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About XS Sights

We are a small, second-generation family-owned business based in Fort Worth, TX, and our customers are family.

We live, eat, and breathe guns. We offer easy DIY install instructions, a 30-Day Satisfaction Guarantee. If you have color vision issues and can't see the front dot, call us, and we will get another color shipped out. (Over 5% of the population has color blindness to a degree!) Either way, our products are built to take a beating.


Prop 65 warning WARNING: This product can expose you to lead, which is known to the State of California to cause cancer and birth defects or reproductive harm. (For more information go to

Tritium Products — XS Sights warrants all handgun sights containing tritium to be free from defects in material and workmanship. Tritium illumination is warranted to glow for twelve (12) years. This warranty applies only to the original purchaser. Proof of purchase is required for an RMA. If this product is found to be defective, the manufacturer's only obligation is to replace the product at the manufacturer's discretion, provided that the product has not been damaged through misuse, modifications, neglect, or mishandling. XS Sights will not be responsible for product removal or installation labor costs. — Tritium illumination will dim throughout the product's life and is not subject to warranty claims. This warranty shall not apply to the finish on any portion of the product or weathering, as this is considered normal wear and tear. Sights improperly installed are not subject to warranty. — XS Sights only warrants products sold through authorized resellers. — All international sales are final and do not qualify for this warranty policy. Some authorized international resellers carry common warranty items to provide for their customers. For more information, please see our International Shipping Policy.

26 Reviews

  • 5
    Big Dots

    Posted by Edwin on Sep 16th 2023

    I’ve been using Big Dots for over 10 years. I have them on nearly all my guns. I can shoot groups from 3 yds to 25 yds. I can make hits on steel out to a 100 yds. As I get older and my front sight is tending to get blurry. I can still see the Big Dot!!

  • 5
    DXT@ Big Dot S&W M&P 2.0 PC

    Posted by George on Aug 21st 2023

    I adapted to the sights quickly. 2" groups at 10 yards semi-rapid fire or quick two-tap.

  • 4

    Posted by Ron on Aug 21st 2023

    Front sight glows like Chernobyl Rear sight....not so much. The rear on my full size Glock is much brighter

  • 4
    DXT2 Sights

    Posted by Terry P on Aug 20th 2023

    really fast on target

  • 5
    DXT2 Big Dot

    Posted by Glenn Gosson on Aug 13th 2023

    Quality product and nice having the night sights on my Smith CSX. Rear sight went on east front took a little longer as it needed to be filed in order to fit the dove tail. This is acts good thing as I am very certain that I won’t have anybody with it coming loose. Take your time and if you don’t have a flat file Harbor Freight has a set of jewelers files that do well at adjusting the front. I would definitely buy again.

  • 5
    Dxt2 for M&P compact

    Posted by Robert S on Aug 9th 2023

    Work great, better that factory and easier to acquire.

  • 5
    DXT2 Big Dot Night Sights

    Posted by Warren Wilbert on Aug 8th 2023

    Front sight very easy to acquire & align with back sight. Can’t wait to try out at the range!

  • 5
    Excellent defense sights

    Posted by Doug Bowersock on Jul 3rd 2023

    This is my 3rd set of these sights. They allow quick acquisition and excellent sight picture. I even have them on my competition gun and can make long shots (75') even with the big dot.

  • 5
    M&P Sield Sights

    Posted by Mark Freemyer on Jul 3rd 2023

    Easy to install and a great product. Especially like the orange glow which makes daylight front sight acquisition a breeze. Excellent night capability. A++!!