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When speed matters more than a fine bullseye hold, the XS DXW Big Dot earns its keep. This suppressor-height set pairs a large tritium front dot wrapped in a bright white ring with a shallow V-notch express rear that carries a vertical tritium stripe. Instead of lining up three dots, you drop the big front dot into the rear V like a lollipop and press the trigger. Folks with aging eyes or anyone who wants to get on target fast in a high-stress moment tend to fall in love with how quickly the front sight jumps out at you, in daylight or full dark.
The suppressor height is the whole point here. Those taller sights lift your sight picture up over the body of a can so you get a clean, unobstructed view when a silencer is threaded on. They also do double duty for red dot shooters, sitting tall enough to co-witness through the optic window on many setups. Users running RMRs, SROs, Holosun 507c series, and Vortex Viper optics report the big front dot shows up through the glass without fighting the electronic dot, giving you a reliable backup if the battery ever quits.
XS machines these sights from solid steel bar stock at their shop in Fort Worth, Texas, and inserts the tritium in-house. That steel construction is a real upgrade over factory plastic sights that can shift or crack. This particular set (GL-0004S-3) covers a huge chunk of the Glock lineup, including the 17, 19, 22, 23, 24, 26, 27, 31, 32, 33, 34, 35, 36, and 38.
The kit ships with everything you need to do the job at home with basic hand tools. XS specifically recommends a hammer and punch over a sight pusher for the DXW line, and their written instructions and install videos walk you through it step by step. If you'd rather not tackle it yourself, any competent gunsmith can knock it out in a few minutes.
In most cases, yes. This suppressor-height set is tall enough to co-witness through many popular optics, and shooters report a lower 1/3 co-witness with red dots like the Trijicon RMR and SRO, Holosun 507c series, and Vortex Viper. Because slide cuts and mounting plates vary so much, XS can't guarantee every combo, but if your factory sights are close to co-witnessing, these usually land in a similar spot. The big front dot stays visible through the glass as a solid backup if your optic ever goes dark.
This set covers a wide range of Glock pistols, including the 17, 19, 22, 23, 24, 26, 27, 31, 32, 33, 34, 35, 36, and 38. It's the suppressor/RMR height version, so it's built for guns running a can or a slide-mounted optic. If you have a Glock 20, 21, 29, 30, 37, or 41, you'll want the GL-0005S-3 set instead.
The kit comes with a hex wrench, front sight tool, red threadlocker, and instructions, so you have what you need for a DIY install with basic hand tools. XS recommends using a hammer and punch for the DXW line rather than a sight pusher, and they provide written instructions plus install videos on their site. If you'd rather leave it to a pro, any gunsmith can handle the swap quickly.
The Big Dot is all about speed. Rather than aligning three dots, you drop the large front dot into the shallow V rear like a lollipop and shoot, which many find faster under stress and easier on aging eyes. It trades a little fine precision for quick target acquisition, making it a strong pick for defensive and everyday carry use.
| UPC | 647533044363 |
|---|---|
| Manufacturer | |
| Manufacturer Part Number | GL-0004S-3 |
| Color | Green, White Outline |
| Model | |
| Product Type | Sight |
| Shipping Weight | 0.14 |
| Style | Suppressor |
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