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The XS Sights DXT2 Big Dot is built around one simple idea: get your eye to the front sight faster. The front dot measures a bold 0.188 inches across, roughly 50 percent larger than most conventional sights, wrapped in an optic yellow photoluminescent glow ring around a tritium vial. That yellow color is the one XS says charges the brightest and soaks up the most ambient light, so it lights up quick when the room dims and keeps working long after standard sights have faded.
The rear is a low-profile shallow V with a vertical tritium bar and a white outline. Instead of hunting for three separate dots, you drop the big front dot right on top of the rear bar and "dot the i." It's an intuitive sight picture that cuts down on the alignment points your eyes have to sort out under stress, and the open rear gives you a wide, unobstructed view of what's downrange.
This set is aimed at everyday carry and duty-style pistols where speed matters more than tiny bullseye precision. The rounded profile has no sharp edges to snag on a cover garment during the draw, and while the front dot is large, it still tucks into most standard holsters. The Big Dot design is also a favorite among folks fighting cross-eye dominance, aging eyes, or cataracts, since the large front reference is far easier to see than a thin post.
This particular set fits Sig Sauer P225, P226, P229, and P320 models along with Springfield XD, XDm, and XDs pistols. The bodies are CNC-machined from steel bar stock in Texas and finished in matte black, then blued to resist rust with regular cleaning and oil. XS backs the sights with a 10-year warranty. Home installation is possible with the right tools, though a qualified gunsmith is the safe route if you're not confident pressing sights yourself.
This particular SI-0013S-5Y set is cut for Sig Sauer P225, P226, P229, and P320 models, plus Springfield XD, XDm, and XDs pistols. Always double-check your exact model and slide cut before ordering. XS makes model-specific versions for other platforms like Glock and S&W, so match the part number to your gun.
Yellow charges up and glows the brightest in low light, soaking up the most ambient light of the two colors. Orange trades a bit of that glow for better contrast against varied backgrounds in daylight. Eyesight is personal, so some folks simply see one color pop more than the other.
Yes. Both the front and rear carry tritium vials that glow on their own for years without needing to be charged, so you have a usable sight picture in total darkness. The yellow glow ring around the front tritium adds an extra photoluminescent boost during that in-between dusk period before it's dark enough to see tritium alone.
Home installation is possible if you have the correct sight pusher and basic tools. That said, XS recommends a qualified gunsmith to avoid damaging the sights or your slide, and installation done incorrectly can affect zero. If you're not experienced pressing sights, the gunsmith route is worth it.
| UPC | 647533046251 |
|---|---|
| Manufacturer | |
| Manufacturer Part Number | SI-0013S-5Y |
| Color | Green, Yellow |
| Model | |
| Product Type | Sight |
| Shipping Weight | 0.12 |
| Style | Night Sight Set |
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