Description
The AmeriGlo SW245 swaps out your M&P Shield's factory irons for a night sight set built around a dot-over-dot layout. Instead of the usual three dots strung across your sight picture, you line up one glowing front dot directly over a single rear dot for fast vertical alignment. The front sight carries a green tritium lamp wrapped in a bright orange ring, so your eye snaps to it in a hurry, while the rear sight uses a centered green tritium lamp tucked below a wide U-notch. That combination gives you a clean, uncluttered view that a lot of folks find quicker to pick up than a busy three-dot arrangement.
Why the i-Dot Layout Works on a Carry Gun
The whole point of the i-Dot design is speed without giving up your reference in the dark. That orange front ring is easy to find in daylight, and when the lights drop, the single dot-over-dot picture is tough to confuse. With three dots, it's possible to mistake a rear dot for the front and cant the gun without realizing it. Stacking just two dots takes that guesswork out. AmeriGlo builds the rear a touch longer for a bit more sight radius, and the rear face has a glare-reducing undercut so you're not fighting reflections when you press out.
Built for the S&W M&P Shield
These are cut specifically for the Smith & Wesson M&P Shield and do not fit the M&P Shield EZ, S&W revolvers, C.O.R.E. models, or the .22 variants. The bodies are CNC machined from steel with a matte black finish, and the tritium lamps are Swiss made, so you get years of glow with no batteries or charging required. The front blade runs .140 inches wide with a .165 inch rear notch, giving you enough light on either side of the front post for a clean sight picture.
Installing Your AmeriGlo SW245 Sights
The set includes both the front and rear, and no gunsmithing is needed. You will want a proper sight pusher or installation tool to drift the old sights out and the new ones in, since these are a press fit rather than a drop-in swap. Take your time, confirm the pistol is unloaded before you start, and you'll be running a sharper, faster sight picture in short order.
Key Specifications
- Manufacturer: AmeriGlo
- Manufacturer Part Number: SW245
- UPC: 644406906353
- Style: i-Dot (dot-over-dot)
- Product Type: Tritium Front / Tritium Rear
- Front Sight: Green tritium with orange outline
- Rear Sight: Green tritium single dot, U-notch
- Front Blade Width: 0.140 in
- Rear Notch Width: 0.165 in
- Body Material: CNC machined steel
- Finish: Matte black
- Tritium Source: Swiss made
- Elevation Adjustment: No
- Fits: S&W M&P Shield (excludes EZ, C.O.R.E., .22, revolvers)
- Country of Origin: Made in USA
What’s Included
- AmeriGlo i-Dot green tritium front sight with orange outline
- AmeriGlo i-Dot green tritium single-dot rear sight
Frequently Asked Questions
What handguns does the AmeriGlo SW245 i-Dot set fit?
This set is cut specifically for the Smith & Wesson M&P Shield. It does not fit the M&P Shield EZ series, S&W revolvers, C.O.R.E. models, or the .22 variants. If you're running a standard Shield, you're good to go.
How is the i-Dot design different from regular three-dot night sights?
The i-Dot uses a dot-over-dot layout, meaning you stack the front dot directly over a single rear dot rather than lining up three dots side by side. The big orange front ring is quick to find in daylight, and in the dark the two-dot picture is harder to misalign since there's no chance of confusing the front dot with a rear one. Many people find it faster to pick up, though three-dot sights are still a solid choice for folks who prefer them for precise shooting.
Do I need any tools to install the SW245 sights?
No gunsmithing is required, but you will want a sight pusher or installation tool to drift the factory sights out and press the new ones in. These are a press fit rather than a drop-in part, so a proper tool makes the job clean and avoids marring the slide. Always confirm the pistol is unloaded before starting.
Do tritium sights need batteries or charging?
No. The tritium lamps glow on their own without any external light source, batteries, or charging. Tritium is self-illuminating and gives you years of usable glow, so these sights are ready in low light whenever you need them.





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