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Availability: In Stock
The XS Sights DXT2 Big Dot tritium night sight set transforms how you acquire your target across the full spectrum of light—from bright daylight to dim indoor spaces and complete darkness. Designed specifically for Glock 20, 21, 29, 30, 30S, 37, and 41 models, this front and rear sight pair puts the focus exactly where it belongs: on a large, highly visible front sight that refuses to disappear when conditions turn low. If you carry a large-frame Glock for duty, hunting, or defense and want sights that work reliably without batteries or gadgetry, the DXT2 Big Dot delivers the kind of dependable visibility that builds confidence.
The DXT2 system relies on a patent-pending glow dot that soaks up ambient light and emits a bright glow during twilight and low-light phases, well before the tritium element takes over in true darkness. The front sight features an Optic Orange outline designed to dominate your sight picture in daylight—the orange-and-yellow contrast is tuned to remain visible as shadows lengthen and light fades. That same convex dot geometry maximizes light absorption, which means a brighter glow when you need it most. The V-notch rear sight with white outline keeps your view of the threat uncluttered and wide, supporting both speed and precision under pressure.
The dot-the-i sight picture—a tritium dot in the front sight aligned with a tritium bar in the rear—creates an intuitive sight reference that eliminates confusion during high-stress moments. Tritium powers both front and rear sights, so your backup aiming reference is always glowing in complete darkness, no maintenance required. For shooters who demand night sights that work across the broadest range of conditions and refuse to compromise on speed of sight acquisition, the XS Sights DXT2 Big Dot is the standard against which other Glock sights are measured.
| Brand | XS Sights |
| Product Line | DXT2 Big Dot |
| Sight Type | Tritium Night Sight Set (Front & Rear) |
| Front Sight Design | Large convex dot with Optic Orange outline and glow element |
| Rear Sight Design | V-notch with white outline and tritium bar |
| Light Source | Tritium (both sights) + Patent-pending glow dot (front) |
| Compatible Models | Glock 20, 21, 29, 30, 30S, 37, 41 |
| Caliber Compatibility | 10mm and .45 ACP |
Yes. Both the front and rear sights contain tritium, which glows continuously in darkness without any external light source or charging. The tritium provides a reliable sight reference in complete darkness, though the glow is most visible once your eyes fully adjust.
The large Optic Orange outline on the front sight is specifically designed to create a high-contrast sight picture in bright conditions. The color combination of orange and yellow maintains visibility even as light decreases throughout the day.
The patent-pending glow dot absorbs ambient light during the day and early evening, producing a bright glow during twilight and low-light phases. As darkness deepens and the glow dims, the tritium element takes over, providing a faint but constant glow throughout the night without any external input.
The XS Sights DXT2 Big Dot is designed for Glock 20, 21, 29, 30, 30S, 37, and 41—all of which chamber 10mm or .45 ACP.
SKU: 115735895 • Width: 5in • Height: 1in • Depth: 8.1in • Weight: 0.13oz
Availability: In Stock
The XS Sights DXT2 Big Dot tritium night sight set transforms how you acquire your target across the full spectrum of light—from bright daylight to dim indoor spaces and complete darkness. Designed specifically for Glock 20, 21, 29, 30, 30S, 37, and 41 models, this front and rear sight pair puts the focus exactly where it belongs: on a large, highly visible front sight that refuses to disappear when conditions turn low. If you carry a large-frame Glock for duty, hunting, or defense and want sights that work reliably without batteries or gadgetry, the DXT2 Big Dot delivers the kind of dependable visibility that builds confidence.
The DXT2 system relies on a patent-pending glow dot that soaks up ambient light and emits a bright glow during twilight and low-light phases, well before the tritium element takes over in true darkness. The front sight features an Optic Orange outline designed to dominate your sight picture in daylight—the orange-and-yellow contrast is tuned to remain visible as shadows lengthen and light fades. That same convex dot geometry maximizes light absorption, which means a brighter glow when you need it most. The V-notch rear sight with white outline keeps your view of the threat uncluttered and wide, supporting both speed and precision under pressure.
The dot-the-i sight picture—a tritium dot in the front sight aligned with a tritium bar in the rear—creates an intuitive sight reference that eliminates confusion during high-stress moments. Tritium powers both front and rear sights, so your backup aiming reference is always glowing in complete darkness, no maintenance required. For shooters who demand night sights that work across the broadest range of conditions and refuse to compromise on speed of sight acquisition, the XS Sights DXT2 Big Dot is the standard against which other Glock sights are measured.
| Brand | XS Sights |
| Product Line | DXT2 Big Dot |
| Sight Type | Tritium Night Sight Set (Front & Rear) |
| Front Sight Design | Large convex dot with Optic Orange outline and glow element |
| Rear Sight Design | V-notch with white outline and tritium bar |
| Light Source | Tritium (both sights) + Patent-pending glow dot (front) |
| Compatible Models | Glock 20, 21, 29, 30, 30S, 37, 41 |
| Caliber Compatibility | 10mm and .45 ACP |
Yes. Both the front and rear sights contain tritium, which glows continuously in darkness without any external light source or charging. The tritium provides a reliable sight reference in complete darkness, though the glow is most visible once your eyes fully adjust.
The large Optic Orange outline on the front sight is specifically designed to create a high-contrast sight picture in bright conditions. The color combination of orange and yellow maintains visibility even as light decreases throughout the day.
The patent-pending glow dot absorbs ambient light during the day and early evening, producing a bright glow during twilight and low-light phases. As darkness deepens and the glow dims, the tritium element takes over, providing a faint but constant glow throughout the night without any external input.
The XS Sights DXT2 Big Dot is designed for Glock 20, 21, 29, 30, 30S, 37, and 41—all of which chamber 10mm or .45 ACP.
SKU: 115735895 • Width: 5in • Height: 1in • Depth: 8.1in • Weight: 0.13oz