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Trijicon built the DI Night Sight set for folks who want their front sight to pop in daylight and still glow when the lights go out. It runs a dual-illumination setup that combines a fiber optic element up front with a self-powered tritium lamp, so you get a consistent aiming point whether you're at the range at high noon or clearing a dark hallway. The fiber pulls in ambient light for a daylight-bright dot, and the tritium keeps working in total darkness without a single battery.
The headline feature here is the interchangeable fiber. Trijicon's patent-pending design lets you swap the fiber right in the field, and you can choose from several fiber and retainer colors to build a sight picture that suits your eyes. Green comes standard, with red, amber, and orange available if you want to change things up. The fiber itself gets the same chemical and heat-resistant finishing technique used on the legendary Trijicon ACOG, and each tritium lamp is capped with a sapphire jewel that spreads the light evenly while shielding it from solvents and punctures.
This set drops into the dovetail cuts on Smith & Wesson M&P, M&P M2.0, SD9 VE, and SD40 VE pistols. It does not fit the M&P Shield or C.O.R.E. optics-ready models. Everything is machined from steel with a black finish, so it holds up to hard recoil and years of carry. The front sight runs a green tritium and fiber optic combo, while the rear is green tritium with a black outline that keeps your eye pulled toward that bright front dot.
Installation is straightforward, but the rear sight sits in a tight dovetail. A quality sight pusher makes the job clean and keeps your slide free of scratches. The front sight uses a small retaining screw and drops in easily. If you haven't set sights before, having a gunsmith handle it is money well spent. Green tritium lamps carry a 12-year warranty from the date of manufacture.
No, this set is cut for the full-size S&W M&P, M&P M2.0, SD9 VE, and SD40 VE pistols. It does not fit the M&P Shield family or the C.O.R.E. optics-ready models. Trijicon makes a separate DI set specifically for the Shield platform if that's what you're carrying.
They use two light sources that need no power. The fiber optic front collects ambient light for a bright dot in daylight, while the self-powered tritium lamps glow on their own in low light and total darkness. The tritium is good for a solid stretch, and Trijicon warranties the green lamps for 12 years from the date of manufacture.
Yes, that's the standout feature of the DI line. The patent-pending design lets you replace the fiber in the field, and this set includes two spare green fibers plus a T10 torque L-key to get it done. You can also pick up red, amber, or orange fibers separately if you want to change the color of your front dot.
A quality sight pusher is the way to go for the rear sight, since the M&P dovetail is tight and a pusher keeps your slide from getting scratched. The front sight uses a small retaining screw and drops in easily. If you've never installed sights before, having a gunsmith do the job is a smart call.
| UPC | 719307215269 |
|---|---|
| Manufacturer | |
| Manufacturer Part Number | SA837-C-601108 |
| Length | 7.1 |
| Package Height | 0.7 |
| Package Width | 5.1 |
| Product Type | Accessory-Lasers and Sights |
| Shipping Weight | 0.15 |
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