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The XS Sights DXT2 Big Dot for the Sig 1911 RCS is built around one idea: get your eye to the front sight and keep it there. That oversized 0.188-inch front dot pairs a yellow photoluminescent Glow Dot with a tritium center vial, so it stands out bright in daylight and keeps glowing after dark. The rear is a shallow V-notch with a white outline and tritium center, which frames the front dot for that classic dot-the-i alignment. Line up the ball on top of the V and you're on target.
The whole point of the Big Dot design is speed. Your eye naturally locks onto that large front sight on the draw, often without conscious effort, which is exactly what you want in a defensive or nightstand gun. Reviewers who ran shot timers against standard three-dot irons consistently found faster acquisition at close range. Just know the tradeoff: that big dot is tuned for inside 15 yards, so it starts to cover more of the target as distance grows. For a compact carry pistol like the 1911 RCS, that's right in the wheelhouse.
This set is cut specifically for the Sig 1911 RCS, so it drops into the correct dovetails without guesswork. The sights are CNC-machined from steel with a matte finish that holds up to daily carry and holster wear, and the low-profile design won't snag on the draw. The yellow front is a solid pick if you want a color that charges quickly and glows brighter in low light.
The yellow Glow Dot soaks up ambient light and holds a charge, while the tritium vial keeps a steady glow even in total darkness, giving you two sources of low-light visibility. The rear also carries tritium for a second alignment reference at night. XS backs their tritium sights with a 12-year warranty, and these are widely reported to be installable at home with a punch and small hammer, though a sight pusher or gunsmith makes the job cleaner.
The oversized front dot pulls your eye to it automatically on the draw, so you're not hunting for a thin front post. Combined with the shallow V rear, you just drop the ball into the notch for a quick dot-the-i alignment. Most people notice the speed advantage within a few reps at close range, which is where this sight shines.
Both charge and glow, but the color choice comes down to lighting. Yellow tends to charge quickly and glow brighter in low light, while orange pops a little more in bright daylight. Yellow is a great all-around pick for a carry or home-defense pistol.
Yes. The front has a tritium vial at its center that provides a steady glow with no charging needed, plus the photoluminescent Glow Dot that absorbs ambient light. The rear also carries tritium, giving you two low-light reference points. XS backs the tritium with a 12-year warranty.
This set is cut specifically for the Sig 1911 RCS dovetails, and the kit includes threadlocker and instructions. Many folks install them at home with a punch and a small hammer, though a proper sight pusher makes the job easier and cleaner. If you're not comfortable, a gunsmith can knock it out quickly.
| UPC | 647533016254 |
|---|---|
| Manufacturer | |
| Manufacturer Part Number | SI-0018S-5Y |
| Shipping Weight | 0.15 |
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