XS Sights DXW2 Big Dot Tritium Night Sight Set for Glock 42, 43, 43X, 48 - White Stripe RearXS Sights$109.99
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XS Sights
The XS Sights DXW2 Big Dot is a tritium night sight designed specifically for the Glock 42, 43, 43X, and 48—compact pistols that demand reliable low-light performance without adding bulk. Built around a larger-than-standard front sight dot (0.188" high), this setup gives you faster sight acquisition in dim conditions and a simple, instinctive aiming picture: just dot the "i" with the rear notch. Whether you're a concealed carry shooter, home-defense focused, or just want better visibility when daylight fades, the DXW2 bridges the gap between practicality and defensive readiness.
The front sight houses tritium that glows continuously in darkness, while the colored dot absorbs ambient light during the day—so you get usable sight picture in nearly any lighting without batteries or activation. The low-profile V-shaped rear sight keeps your focus on the bright front dot, improving target acquisition speed. The rear sight also includes a white stripe (non-tritium) and a ledge designed to let you manipulate your slide one-handed against a belt, pants, or barrier if you ever need to. All internals are CNC-machined steel for the durability that defensive sights demand.
These sights fit standard Glock holster options, so switching from stock sights won't force a gear overhaul. The build quality is straightforward and proven—no gimmicks, just the kind of equipment that works when conditions get poor or situations get urgent.
| Brand | XS Sights |
| Model | DXW2 Big Dot |
| Sight Type | Tritium night sight |
| Front Sight Dot Height | 0.188" |
| Rear Sight Style | Low-profile V notch |
| Material | CNC-machined steel |
| Compatibility | Glock 42, 43, 43X, 48 |
| Holster Compatibility | Standard Glock holsters |
Yes—the DXW2 Big Dot is specifically designed for all four of those compact Glock models and will work with standard Glock holsters without modification.
No. The tritium front sight glows on its own without batteries. The colored dot absorbs ambient light during the day, giving you sight picture in both bright and dark conditions without any maintenance or activation needed.
Yes. The rear sight includes a ledge designed to allow you to manipulate the slide one-handed using a belt, waistband, or barrier—a useful feature for self-defense scenarios.
The front sight dot measures 0.188" high—larger than many factory sights—which speeds up target acquisition and makes the sight picture simpler and more intuitive in low light.
XS Sights
The XS Sights DXW2 Big Dot is a tritium night sight designed specifically for the Glock 42, 43, 43X, and 48—compact pistols that demand reliable low-light performance without adding bulk. Built around a larger-than-standard front sight dot (0.188" high), this setup gives you faster sight acquisition in dim conditions and a simple, instinctive aiming picture: just dot the "i" with the rear notch. Whether you're a concealed carry shooter, home-defense focused, or just want better visibility when daylight fades, the DXW2 bridges the gap between practicality and defensive readiness.
The front sight houses tritium that glows continuously in darkness, while the colored dot absorbs ambient light during the day—so you get usable sight picture in nearly any lighting without batteries or activation. The low-profile V-shaped rear sight keeps your focus on the bright front dot, improving target acquisition speed. The rear sight also includes a white stripe (non-tritium) and a ledge designed to let you manipulate your slide one-handed against a belt, pants, or barrier if you ever need to. All internals are CNC-machined steel for the durability that defensive sights demand.
These sights fit standard Glock holster options, so switching from stock sights won't force a gear overhaul. The build quality is straightforward and proven—no gimmicks, just the kind of equipment that works when conditions get poor or situations get urgent.
| Brand | XS Sights |
| Model | DXW2 Big Dot |
| Sight Type | Tritium night sight |
| Front Sight Dot Height | 0.188" |
| Rear Sight Style | Low-profile V notch |
| Material | CNC-machined steel |
| Compatibility | Glock 42, 43, 43X, 48 |
| Holster Compatibility | Standard Glock holsters |
Yes—the DXW2 Big Dot is specifically designed for all four of those compact Glock models and will work with standard Glock holsters without modification.
No. The tritium front sight glows on its own without batteries. The colored dot absorbs ambient light during the day, giving you sight picture in both bright and dark conditions without any maintenance or activation needed.
Yes. The rear sight includes a ledge designed to allow you to manipulate the slide one-handed using a belt, waistband, or barrier—a useful feature for self-defense scenarios.
The front sight dot measures 0.188" high—larger than many factory sights—which speeds up target acquisition and makes the sight picture simpler and more intuitive in low light.
