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The Trijicon HD XR Night Sights take the popular HD platform and push it further for people who want a cleaner sight picture and faster target pickup at distance. The front sight uses a green tritium lamp wrapped in a high-visibility orange photoluminescent ring, so your eye snaps to it whether you're in bright daylight or a dark hallway. Out back, the U-notch rear sight runs green tritium in a black frame, giving you that clean three-dot alignment without the rear dots stealing focus from the front.
The big story here is the thinner front blade. A narrower post opens up your field of view, which makes it easier to see around the sight, identify what you're looking at, and read your hits downrange. Trijicon caps each tritium lamp with a domed sapphire jewel that focuses the glow for a front dot that reads roughly twice as bright, while also shielding the lamp from punctures and cleaning solvents. It's a small detail that matters when these sights are living on a carry or duty gun.
This particular set (part number 600851) is cut for the Smith & Wesson M&P, M&P M2.0, SD9 VE, and SD40 VE, though it does not cover the M&P Shield or C.O.R.E. optics-ready models. The rear sight face is angled and serrated to cut glare and help you rack the slide one-handed against a belt or holster in a pinch. Owners consistently mention how easy the front ring is to track in daylight and how bright the tritium glows once the lights go down.
These are steel sights built to hold zero and take a beating. The tritium lamps carry a 12-year warranty from the date of manufacture, and the set is backed by Trijicon's reputation for optics that just keep working. Installation is straightforward with a sight pusher, though many folks have the front and rear pressed on by a gunsmith to keep everything dialed in.
This set (600851) is cut for the Smith & Wesson M&P, M&P M2.0, SD9 VE, and SD40 VE. It does not fit the M&P Shield or C.O.R.E. optics-ready models, so double-check your exact model before ordering. If you run one of the covered guns, it's a direct dovetail fit.
The HD XR uses a thinner front blade to open up your field of view for better target identification and hit visibility at distance. It also features a domed sapphire cap over the front tritium lamp that focuses the glow for a front dot roughly twice as bright. It was designed with law enforcement and distance shooting in mind.
No batteries needed. Tritium self-illuminates through a natural process, so the sights glow on their own in the dark without any charging or switches. The green tritium lamps are warranted for 12 years from the date of manufacture, though they typically keep glowing well beyond that.
Plenty of owners install them at home with a proper sight pusher tool and a few YouTube tutorials. That said, professional installation is recommended to protect the sights and keep your zero true. A gunsmith can press them on in minutes if you'd rather not chance it.
| UPC | 719307214026 |
|---|---|
| Manufacturer | |
| Manufacturer Part Number | 600851 |
| Color | Orange Front |
| Length | 7.1 |
| Model | |
| Package Height | 0.7 |
| Package Width | 5.0 |
| Product Type | Accessory-Lasers and Sights |
| Shipping Weight | 0.1 |
| Sights | Orange Front & Black Rear |
| Style | 3-Dot |
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