
Availability: In Stock
The XS Sights DXW2 Big Dot night sights for Smith & Wesson revolvers bring serious low-light capability to classic wheelguns like the 586, 686, 625, 629, and 329. Built on tritium technology and a distinctly oversized front sight, these sights excel in hunting, defensive, and range scenarios where speed and visibility matter—especially when natural light fades. The Big Dot sight picture is designed for rapid target acquisition and intuitive shooting without the mental overhead of traditional thin-post designs.
The front sight's 0.188" dot absorbs ambient light and glows in darkness, giving you both active aiming capability in daylight and passive tritium luminescence when the sun goes down. The low-profile V-shaped rear sight keeps the large front dot in clear view, establishing a clean, instinctive sight picture that works whether you're hunting at dawn, practicing on the range, or relying on your revolver after dark. XS machined these sights from durable steel and built them tough enough for hard use.
Installation and compatibility are straightforward—these sights fit standard holster options, so you're not locked into proprietary gear. The rear sight ledge is shaped to assist with one-handed manipulation if needed, a practical detail that shows XS understands revolver shooters' real-world demands. Whether you shoot S&W double-actions for hunting or personal defense, the DXW2 Big Dot transforms your revolver's low-light performance without forcing you to change how you shoot.
| Brand | XS Sights |
| Model | DXW2 Big Dot |
| Sight Type | Night sights (tritium with glow dot) |
| Front Sight Dot Diameter | 0.188" |
| Rear Sight Style | Low-profile V with white stripe |
| Material | CNC machined steel |
| Compatibility | S&W 586, 686, 625, 629, 329 revolvers |
| Holster Compatibility | Fits standard holster options |
Yes. The DXW2 Big Dot is designed to fit Smith & Wesson 586, 686, 625, 629, and 329 revolvers.
The tritium front sight glows passively in low light and darkness. The glow dot also absorbs ambient light throughout the day and releases it in darkness, extending visibility when natural light is low.
These sights are designed to fit standard holster options for S&W revolvers, so you should not need to change your gear.
The XS sight system uses a dot-the-"i" sight picture—you center the large front dot in the low-profile rear V-notch. This design prioritizes speed and simplicity over precision aiming, making it well-suited for hunting and self-defense at typical engagement distances.

SKU: 167524146 • Width: 4.75in • Height: 1in • Depth: 8in • Weight: 0.115oz





Availability: In Stock
The XS Sights DXW2 Big Dot night sights for Smith & Wesson revolvers bring serious low-light capability to classic wheelguns like the 586, 686, 625, 629, and 329. Built on tritium technology and a distinctly oversized front sight, these sights excel in hunting, defensive, and range scenarios where speed and visibility matter—especially when natural light fades. The Big Dot sight picture is designed for rapid target acquisition and intuitive shooting without the mental overhead of traditional thin-post designs.
The front sight's 0.188" dot absorbs ambient light and glows in darkness, giving you both active aiming capability in daylight and passive tritium luminescence when the sun goes down. The low-profile V-shaped rear sight keeps the large front dot in clear view, establishing a clean, instinctive sight picture that works whether you're hunting at dawn, practicing on the range, or relying on your revolver after dark. XS machined these sights from durable steel and built them tough enough for hard use.
Installation and compatibility are straightforward—these sights fit standard holster options, so you're not locked into proprietary gear. The rear sight ledge is shaped to assist with one-handed manipulation if needed, a practical detail that shows XS understands revolver shooters' real-world demands. Whether you shoot S&W double-actions for hunting or personal defense, the DXW2 Big Dot transforms your revolver's low-light performance without forcing you to change how you shoot.
| Brand | XS Sights |
| Model | DXW2 Big Dot |
| Sight Type | Night sights (tritium with glow dot) |
| Front Sight Dot Diameter | 0.188" |
| Rear Sight Style | Low-profile V with white stripe |
| Material | CNC machined steel |
| Compatibility | S&W 586, 686, 625, 629, 329 revolvers |
| Holster Compatibility | Fits standard holster options |
Yes. The DXW2 Big Dot is designed to fit Smith & Wesson 586, 686, 625, 629, and 329 revolvers.
The tritium front sight glows passively in low light and darkness. The glow dot also absorbs ambient light throughout the day and releases it in darkness, extending visibility when natural light is low.
These sights are designed to fit standard holster options for S&W revolvers, so you should not need to change your gear.
The XS sight system uses a dot-the-"i" sight picture—you center the large front dot in the low-profile rear V-notch. This design prioritizes speed and simplicity over precision aiming, making it well-suited for hunting and self-defense at typical engagement distances.
SKU: 167524146 • Width: 4.75in • Height: 1in • Depth: 8in • Weight: 0.115oz
