Hi-Viz FastDot H3 Night Sight Set for S&W M&P Shield
Hi-Viz
$117.69
(No reviews yet)
Write a Review
Hi-Viz
Hi-Viz FastDot H3 Night Sight Set for S&W M&P Shield
The HiViz FastDot H3 for the S&W M&P Shield delivers a lightning-fast sight picture with a revolutionary tritium and LitePipe fiber optic combination, giving you confident target acquisition in any lighting condition.
- H3 tritium front sight glows automatically in complete darkness
- LitePipe fiber optic harvests ambient light for bright daytime visibility
- FastDot design centers the eye naturally for faster target acquisition
- Precision-machined steel construction built to withstand hard use
- Drop-in fit designed specifically for S&W M&P Shield pistols
- High-visibility green front dot contrasts sharply against black rear sight
Who This Is For
The HiViz FastDot H3 is ideal for concealed carry holders, law enforcement officers, and defensive shooters who demand reliable sight visibility around the clock. Whether you're drawing in a dimly lit parking garage or shooting in bright sunlight at the range, this upgrade gives S&W M&P Shield owners a meaningful edge over standard factory sights.
Specifications
| Brand | HiViz |
|---|---|
| Model | FastDot H3 |
| SKU / Part Number | MPFD21 |
| Compatible Firearm | Smith & Wesson M&P Shield |
| Sight Type | Front Sight — Tritium + Fiber Optic |
| Tritium Element | H3 Self-Luminous Tritium Vial |
| Dot Color | Green |
| Body Material | Steel |
| Installation | Drop-In, No Gunsmithing Required |
| Country of Origin | USA |
Frequently Asked Questions
Does this sight replace just the front sight, or is it a complete set?
The HiViz FastDot H3 (MPFD21) is a front sight replacement only. It is designed to be used with the factory rear sight on the S&W M&P Shield, though many shooters pair it with an aftermarket rear sight for an optimized sight picture. If you prefer a full set, HiViz also offers complete front and rear sight kits for the Shield platform.
Will this sight fit both the standard M&P Shield and the Shield Plus?
The FastDot H3 MPFD21 is specifically designed for the original S&W M&P Shield in 9mm and .40 S&W. Compatibility with the M&P Shield Plus or Shield EZ may vary due to differences in slide dimensions. We recommend verifying your exact model and generation before purchasing, or contacting HiViz directly to confirm fitment.
How long does the tritium element last, and does it require a battery?
No battery is required — tritium is a self-luminous radioactive gas that glows continuously without any power source. The H3 tritium vial in this sight has an estimated usable lifespan of approximately 12 years, after which luminosity gradually diminishes. During daylight or well-lit conditions, the LitePipe fiber optic element takes over, ensuring bright visibility regardless of tritium brightness.
