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The AmeriGlo SW801 is a Classic Tritium night sight set built for folks who want their M&P ready to run when the lights go down. It uses a single green tritium lamp with a white outline up front and two more green lamps with white outlines in the rear, giving you that familiar 3-dot picture that's been a go-to for personal defense, duty, and range use for decades. The white outlines pull double duty by making the dots easy to pick up in daylight, so you're not stuck with sights that only work after dark.
Tritium glows on its own with no batteries and no charging from an outside light source, which means these sights are always on when you draw. AmeriGlo machines the frame from steel and uses Swiss-made tritium light sources, so the build holds up to real holster wear and the daily grind of carry. That all-steel construction is a big part of why these sights shrug off drops and reholstering better than a lot of budget options.
This set drops into standard full-size and compact Smith & Wesson M&P dovetails, but fit matters here. It does not work with the .22, .380, Shield, EZ, Pro, C.O.R.E., or Equalizer models, so double-check your exact pistol before ordering. If you're running an optics-cut slide, this is a standard-height set and won't co-witness through a red dot.
Pistol sights press into the dovetail, and the clean way to seat them is with a sight pusher rather than tapping with a punch, which can mar the slide or crack a vial. Plenty of people install these at home with a decent pusher tool, though a gunsmith is a smart call if you want the rear centered perfectly the first time. Once they're in, expect a good stretch of useful glow before the tritium starts to dim over the years.
This set is made for standard full-size and compact M&P pistols and drops into the factory dovetails. It is not compatible with the .22, .380, Shield, EZ, Pro, C.O.R.E., or Equalizer models, so confirm your exact variant before buying. When in doubt, check the model name stamped on your slide against that exclusion list.
Tritium has a half-life of about 12.3 years, so it's naturally on its own without batteries. In practical terms most tritium sights stay usefully bright for roughly 10 to 12 years, with the dimming becoming noticeable somewhere around the eight-year mark. When they eventually fade, you simply swap in a fresh set.
Yes, many people install these at home with a proper sight pusher tool. The sights press into the dovetail, and using a pusher rather than hammering with a punch keeps you from marring the slide or cracking a tritium vial. If you'd rather have the rear centered perfectly on the first try, a gunsmith can knock it out in a few minutes.
They do. The green tritium handles low light and total darkness, while the white outlines around each dot give you good contrast in daytime and bright conditions. That combination is a big reason the classic 3-dot layout has stayed popular for carry, duty, and range work.
| UPC | 644406901716 |
|---|---|
| Manufacturer | |
| Manufacturer Part Number | SW801 |
| Product Type | Tritium Front/Rear |
| Style | 3 Dot Night Sights Set Tritium |
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