+1-800-504-5897 Live Chat Help Center Check Order Status
About Us Policies Reviews How To
FREE SHIPPING & FREE RETURNS*

FREE SHIPPING on Over 250,000 Products

Shop now and get Free Value Shipping on most orders over $49 to the contiguous 48 states, DC, and to all U.S. Military APO/FPO/DPO addresses.

Enjoy our FREE RETURNS

We want to ensure that making a return is as easy and hassle-free as possible! If for any reason you are not satisfied with your purchase, simply return the item within 30 days of receipt, and we'll cover the cost of return shipping. Learn more about our Return Policy.

  • Entire Store
  • ...
  • Apparel & Footwear
  • Astronomy
  • Everything Else
  • Eyewear
  • Hunting Gear
  • Lab Equipment
  • Military Gear
  • Outdoor Gear
  • Photography Equipment
  • Police, EMS & Fire
  • Shooting
  • Sport Optics
  • Sports & Hobbies
TIP
Shopping Cart

XS Sight Systems DXT Big Dot Sight - Sig Sauer Up to 37% Off — Free 2 Day Shipping w/ code 2DAYAIR — 2 models

Special offer available for this product. Click here to see!
XS Sight Systems DXT Big Dot for Sig P225, P226, P228, P229, P320, Springfield XD, XDm & XDs SI-0002S-5
XS Sight Systems DXT Big Dot for Sig P225, P226, P228, P229, P320, Springfield XD, XDm & XDs SI-0002S-5
XS Sight Systems DXT Big Dot for Sig P225, P226, P228, P229, P320, Springfield XD, XDm & XDs SI-0002S-5
XS Sight Systems DXT Big Dot for Sig P225, P226, P228, P229, P320, Springfield XD, XDm & XDs SI-0002S-5
XS Sight Systems DXT Big Dot for Sig P225, P226, P228, P229, P320, Springfield XD, XDm & XDs SI-0002S-5
XS Sight Systems DXT Big Dot Pistol Tritium Night Sight, Sig SP2022, Matte Black, Standard, SI-0009S-5
XS Sight Systems DXT Big Dot Pistol Tritium Night Sight, Sig SP2022, Matte Black, Standard, SI-0009S-5
XS Sight Systems DXT Big Dot Pistol Tritium Night Sight, Sig SP2022, Matte Black, Standard, SI-0009S-5
XS Sight Systems DXT Big Dot for Sig P225, P226, P228, P229, P320, Springfield XD, XDm & XDs SI-0002S-5
1 of 8 images
XS Sight Systems DXT Big Dot for Sig P225, P226, P228, P229, P320, Springfield XD, XDm & XDs SI-0002S-5
XS Sight Systems DXT Big Dot for Sig P225, P226, P228, P229, P320, Springfield XD, XDm & XDs SI-0002S-5
2 of 8 images
XS Sight Systems DXT Big Dot for Sig P225, P226, P228, P229, P320, Springfield XD, XDm & XDs SI-0002S-5
XS Sight Systems DXT Big Dot for Sig P225, P226, P228, P229, P320, Springfield XD, XDm & XDs SI-0002S-5
3 of 8 images
XS Sight Systems DXT Big Dot for Sig P225, P226, P228, P229, P320, Springfield XD, XDm & XDs SI-0002S-5
XS Sight Systems DXT Big Dot for Sig P225, P226, P228, P229, P320, Springfield XD, XDm & XDs SI-0002S-5
4 of 8 images
XS Sight Systems DXT Big Dot for Sig P225, P226, P228, P229, P320, Springfield XD, XDm & XDs SI-0002S-5
XS Sight Systems DXT Big Dot for Sig P225, P226, P228, P229, P320, Springfield XD, XDm & XDs SI-0002S-5
5 of 8 images
XS Sight Systems DXT Big Dot for Sig P225, P226, P228, P229, P320, Springfield XD, XDm & XDs SI-0002S-5
XS Sight Systems DXT Big Dot Pistol Tritium Night Sight, Sig SP2022, Matte Black, Standard, SI-0009S-5
6 of 8 images
XS Sight Systems DXT Big Dot Pistol Tritium Night Sight, Sig SP2022, Matte Black, Standard, SI-0009S-5
XS Sight Systems DXT Big Dot Pistol Tritium Night Sight, Sig SP2022, Matte Black, Standard, SI-0009S-5
7 of 8 images
XS Sight Systems DXT Big Dot Pistol Tritium Night Sight, Sig SP2022, Matte Black, Standard, SI-0009S-5
XS Sight Systems DXT Big Dot Pistol Tritium Night Sight, Sig SP2022, Matte Black, Standard, SI-0009S-5
8 of 8 images
XS Sight Systems DXT Big Dot Pistol Tritium Night Sight, Sig SP2022, Matte Black, Standard, SI-0009S-5

Tap Tap to Zoom

Questions & Answers
Does the xs big dot dxt for a glock 19 still come with the front sight tool,the drift pin,the allen key, and the thread locker? Featured Answer

A few years ago, XS removed the delrin punch from its sight kits. Kits still include the front sight took, allen key, and red thread locker.

by Tanya, Verified Owner, February 25, 2019
See 1 More Answer
How would the point of aim/impact be effected for a .40 cal p320? Given that the p320 uses a #6/#8 front/rear vs. a #8/#8 for 9mm Manufacturer Answer

In our testing with the DXT2 Big Dot set, the P320 in .40 used the same set as the 9MM.

Monte @ XS

by XS Sights, Manufacturer, November 27, 2024
View All Q&A You Have a Question? Ask!
Customer Reviews
Helpful Positive Review Great SD sight by Nemokd, January 30, 2019
Great self and home defense night sight! The sights are not really ideal for target or range work much beyond 15 yards, but for up close this system is very quick and efficient. It will take a little ammo to get used to the system if you use a typi...
Read More...
2/3 found this helpful
Helpful Positive Review Xscited about these by Brad, April 26, 2018
I have a set of these on a G17 already and they're great. Sights themselves are steel which is an upgrade in itself and they really shine- (sorry I couldn't help the pun) in low light and darkness. I've had the G17 sights for years and still glow str...
Read More...
1/1 found this helpful
Helpful Positive Review Very nice sights by Jake, November 16, 2018
Love this sight picture, very quick sight aquisition and very easy to see. Tritium is great and install was a breeze. Can't wait to get out to the range and try these out for accuracy. I have a feeling they are gonna be dead on. Very happy with this ...
Read More...
1/1 found this helpful
Helpful Positive Review Quickest defensive handgun sights on the market. by Mr. 9mm45acp, Verified Owner, August 15, 2018
Made in America!Simplest handgun sights to install quickest sites to engage they're just the best sights on the market! If you haven't tried them you should! Put that big dot On target for quick hits!
1/2 found this helpful
Helpful Positive Review Best Conceal Carry Sights by Jonathan, February 22, 2018
Love these sights. Front sight acquisition is extremely fast. The tritium glows very bright. These are my favorite sights by far for conceal carry. Installation is extremely easy and comes with everthing you need to do it.
1/1 found this helpful
Helpful Positive Review Eyesight changes by killerphoto, July 6, 2017
I bought this for my CZ75B that i shoot in USPSA competitions. I use it for the indoor ranges where the light level is not so good. As I get older and my eyesight has changed low light pistol shooting is a problem. this sight systen has solved it. i ...
Read More...
6/6 found this helpful
Read All 18 Reviews

Free Express Shipping!

See promotion details.
Free Two Day Shipping
Select Two-Day Shipping and use coupon code 2DAYAIRClick to Copy Coupon Code during checkout to get a free shipping upgrade if eligible!
Show In Stock Only
2 Models Available

Show with deals only:

Free 2 Day Shipping
Gun Make
All
Gun Model
All
Additional Features
All
Included Accessories
All
Search

Please note - Pistol sights require professional installation equipment. Improper installation can cause the product to misfunction or even damage the product, making it non-returnable. We strongly advise consulting a gunsmith before purchasing this product.

Product Info for XS Sight Systems DXT Big Dot Sight - Sig Sauer

The XS Sight Systems DXT Big Dot allows you to quickly acquire targets in any lighting conditions, providing an accurate aiming point day or night for self-defense, target practice or any other purpose. XS Sight Systems created these Tritium Pistol Sights with a low profile, snag-free design that allows you to remain mobile in the field without your firearm snagging on loose clothing or netting. These XS Sight Systems DXT Big Dot Pistol Sights feature a Tritium front sight with a non-Tritium white stripe rear for simple sight acquisition even in darker settings, and these sights help you perform your best in high-stress defensive scenarios. Trust these XS Sight Systems DXT Big Dot Night Sights to guide your aim regardless of your ambient lighting conditions.image

WARNING: California`s Proposition 65

Specifications for XS Sight Systems DXT Big Dot Sight - Sig Sauer:

Manufacturer: XS Sight Systems
Gun Make: SIG Sauer
Color: Black
Front Sight Color: Green
Rear Sight Color: Green
Gun Type: Pistol
Illumination Type: Tritium
Mount Type: Dovetail

Features of XS Sight Systems DXT Big Dot Sight - Sig Sauer:

  • Enhances sight acquisition in all light conditions
  • Ultimate "Flash Sight" picture
  • Excels in high stress defensive situations
  • Improves Low-Light accuracy
  • Low profile, snag free design
  • Available with Big Dot Tritium or Standard Dot Tritium front sight
  • DXT = Defensive Express Tritium (tritium front, tritium rear)

Package Contents:

  • XS Sight Systems DXT Big Dot Sight - Sig Sauer

XS Sight Systems DXT Big Dot Sight - Sig Sauer Orderable Models

List of Orderable Models

XS Sight Systems DXT Big Dot for Sig P225, P226, P228, P229, P320, Springfield XD, XDm & XDs SI-0002S-5 , MPN: SI-0002S-5 , UPC: 647533016230 , Code: XSS-AP-247BDINS-SI-0002S-5
XS Sight Systems DXT Big Dot Pistol Tritium Night Sight, Sig SP2022, Matte Black, Standard, SI-0009S-5 , MPN: SI-0009S-5 , UPC: 647533041515 , Code: XSS-AP-247BDINS-SI-0009S-5

XS Sight Systems DXT Big Dot Sight - Sig Sauer Unavailable & Discontinued Models

List of Unorderable Models

XS Sight Systems DXT Big Dot Pistol Tritium Night Sight, Sig P245, Matte Black, Standard, SI-0005S-5 , MPN: SI-0005S-5 , UPC: 647533023283 , Code: XSS-AP-247BDINS-SI-0005S-5
XS Sight Systems DXT Big Dot for Sig 1911 RCS SI-0008S-5 , MPN: SI-0008S-5 , UPC: 647533040075 , Code: XSS-AP-247BDINS-SI-0008S-5
XS Sight Systems DXT Big Dot for Sig P220, P227 SI-0001S-5 , MPN: SI-0001S-5 , UPC: 647533016117 , Code: XSS-AP-247BDINS-SI-0001S-5
XS Sight Systems DXT Big Dot for Sig P239 SI-0003S-5 , MPN: SI-0003S-5 , UPC: 647533016353 , Code: XSS-AP-247BDINS-SI-0003S-5
XS Sight Systems DXT Big Dot Pistol Tritium Night Sight, SIG Max Michel 1911, Matte Black, Standard, SI-0011A-5 , MPN: SI-0011A-5 , UPC: 647533045377 , Code: XSS-AP-247BDINS-SI-0011A-5
Compare (0)
1 item has been added
Add at least two items to compare