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The Hi-Viz FASTDOT H3 rethinks how iron sights work on your S&W M&P. Instead of lining up a blade in a notch, you get a circle-within-a-circle setup. When the red front dot slides into alignment behind the rear, it vanishes and leaves a single glowing green circle staring back at you. That instant feedback tells you the gun is aimed, and it lets your eyes stay locked on the target the way a red dot does, just without the electronics riding on top of your slide.
The front sight uses a large red fiber optic rod backed by tritium, so it catches light and stays easy to find from just about any angle. The rear runs green, and both are powered around the clock by encapsulated tritium paired with fiber optic. That combo gives you a bright sight picture in daylight and a self-glowing one after dark, with nothing to charge or switch on. Built from all-steel and kept low-profile, this set mounts like a traditional sight and slides right into standard holsters.
Range reports back up the design. The front dot is fast to pick up out of the holster, and the alignment cue is intuitive enough that beginners and seasoned hands both get it quickly. It was built with close-quarters speed in mind, giving you solid hits at defensive distances while still holding tighter groups than you would expect from a sight this bright and bold. There is a short learning curve since it does not work like a standard notch-and-post, but most folks adapt after a magazine or two.
This set covers the S&W M&P Compact, Full Size, Shield, and Shield Plus across all calibers. It does not fit optic-ready models, the 9EZ, EZ 30 Super Carry, or EZ 380, so double-check your slide before ordering. Installation runs like any dovetail sight swap and takes most people around ten minutes with the right tools.
Rather than centering a front blade in a rear notch, the FASTDOT H3 uses a circle-within-a-circle design. As you bring the front sight into alignment, the red front dot disappears behind the rear and leaves a single glowing green circle, which confirms you are aimed. It lets you keep your focus on the target, a lot like shooting a red dot without the electronics.
No. It runs on a combination of fiber optic and encapsulated tritium, so it stays bright in daylight and glows on its own in the dark with nothing to charge or turn on. That is one of the big advantages over a battery-powered red dot for everyday carry.
Yes, it fits the S&W M&P Compact, Full Size, Shield, and Shield Plus in all calibers. It will not fit optic-ready models, the 9EZ, EZ 30 Super Carry, or EZ 380, so confirm your exact slide before installing. It mounts like a traditional dovetail sight and works with standard holsters.
It was designed with close-quarters speed in mind and shines at defensive distances, but range testing shows it can still hold respectable groups further out. The bright dot is fast to find coming out of the holster while the alignment cue keeps your shots on track. Expect a short learning curve since it does not behave like a standard notch-and-post setup.
| UPC | 613485590364 |
|---|---|
| Manufacturer | |
| Manufacturer Part Number | MPFD21 |
| Color | Red, Green |
| Model | |
| Shipping Weight | 0.06 |
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