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The Trijicon HD XR set is cut specifically for the Smith & Wesson M&P CORE slide, so you get a proper fit without hunting for the right part number. This is the yellow front outline version, pairing a bright photoluminescent ring around the front dot with green tritium in all three positions. It builds on Trijicon's proven HD line and pushes things further for faster target ID and cleaner hits at extended range.
What makes the XR different from a standard night sight is the geometry. The thin .122 inch front post opens up your field of view, so there's more target visible around the front sight and less bar covering what you're aiming at. That narrower blade makes a real difference when you're stretching out past close-range distances and want to see exactly where your rounds are landing.
Trijicon caps each tritium lamp with a domed sapphire jewel, which focuses the glow into a front dot that reads about twice as bright as a flat lamp. In daylight and transitional light, that yellow photoluminescent outline soaks up ambient light and glows, drawing your focus straight to the front. When it gets dark, the tritium takes over and keeps the dots lit on their own with no batteries or charging needed.
These are serious-duty sights. The bodies are machined and phosphated steel, and each tritium lamp sits inside a protective aluminum cylinder cushioned with silicone rubber to shrug off heavy recoil and repeated shock. The rear is a subdued, serrated U-notch that's angled to cut glare and keep your attention on the front dot. Trijicon warranties the green tritium lamps for 12 years from the date of manufacture, and professional installation is recommended to get them seated and zeroed right.
Yes, this particular set (part number 601173) is cut specifically for the Smith & Wesson M&P CORE slide. Note that the standard M&P HD XR sights are a different part and do not fit CORE models, so matching the right number matters. If you're unsure which M&P variant you have, check your slide markings before ordering.
The XR uses a thinner .122 inch front post that opens up your field of view for faster target identification and cleaner hits at longer distances. The front sight also gets a domed sapphire cap that makes the tritium dot read roughly twice as bright as a flat lamp. It's essentially the HD platform tuned for more precise, longer-range work.
No. The green tritium lamps glow on their own and require no batteries or exposure to light to work in the dark. The yellow front outline is photoluminescent, so it charges from ambient light and glows during transitional light, while the tritium keeps all three dots lit when it's fully dark.
Trijicon recommends professional installation, and for good reason. Pistol sights are pressed into dovetails under tension, and a proper sight pusher and correct zeroing help avoid damaging the sights or the slide. Most gun shops with a gunsmith can knock this out quickly.
| UPC | 719307623682 |
|---|---|
| Manufacturer | |
| Manufacturer Part Number | 601173 |
| Color | Yellow Outline |
| Model | |
| Product Type | Night Sight |
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