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Trijicon built the HD Night Sight line to fix the one thing standard night sights have always struggled with: showing up in daylight. This set solves it with an oversized green tritium front dot wrapped in a bold yellow photoluminescent ring that jumps out under range lights and sunlight, then glows on its own once the sun goes down. No batteries, no switches, just a front sight your eye finds fast whether you are drilling paper at noon or clearing a dark hallway.
The front blade is taller than most factory sights, giving you a big, high-contrast aiming point that's easy to lock onto in a hurry. The rear sight keeps things clean with a black outline and a wide U-shaped notch that lets you center the front dot quickly instead of fighting a cramped sight picture. A lot of folks running these on their M&P describe the same thing: the front sight is so easy to see that your focus stays where it belongs, and follow-up shots come naturally.
Trijicon houses the tritium lamps in a metal body cushioned with silicone rubber, a shock-resistant design that holds up to recoil and hard use round after round. The steel construction and black finish match the no-nonsense reputation Trijicon has earned with law enforcement and serious pistol shooters. The green tritium carries a 12-year illumination warranty from the date of manufacture, so you get roughly a decade of reliable glow before it's worth thinking about a refresh.
This SA137Y set drops into the dovetails on the S&W M&P, M&P 2.0, SD9 VE and SD40 VE. It does not fit the M&P Shield or C.O.R.E. models, so double-check your pistol before ordering. Installation is a quick job with a proper sight pusher, though the M&P rear sight backs the striker block, so many owners hand it off to a gunsmith to make sure everything seats and functions right. Once they're on, you've got an aiming system that works the same whether it's the brightest part of the day or the middle of the night.
Yes, the SA137Y set is cut for the standard S&W M&P, M&P 2.0, SD9 VE and SD40 VE. It does not fit the M&P Shield or C.O.R.E. optic-ready models, so confirm your exact pistol before you order. If you're unsure which frame you have, check the slide cut against the fitment list.
No batteries at all. The green dots are illuminated by tritium, which glows on its own in low and no light, while the yellow ring on the front sight soaks up ambient light for daytime visibility. It's a maintenance-free system that just works whenever you draw.
Trijicon backs the green tritium with a 12-year illumination warranty from the date of manufacture. Tritium fades gradually over time, so most people plan on replacing night sights about once a decade to keep the glow strong. You'll still get plenty of years of reliable brightness before that point.
With a quality sight pusher, swapping them out is a fairly quick job. On the M&P specifically the rear sight sits over the striker block, which adds a step, so plenty of owners take theirs to a gunsmith to make sure everything seats and functions correctly. If you don't have the right tools, professional installation is the safer route.
| UPC | 719307209718 |
|---|---|
| Manufacturer | |
| Manufacturer Part Number | SA137Y |
| Color | Yellow Front |
| Length | 7.1 |
| Model | |
| Package Height | 0.7 |
| Package Width | 5.1 |
| Product Type | Accessory-Lasers and Sights |
| Shipping Weight | 0.13 |
| Sights | Yellow Front and Black Rear |
| Style | 3-Dot |
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