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The Hi-Viz FASTDOT H3 rethinks how iron sights work. Instead of lining up a blade in a notch, it uses a circle-within-a-circle design. As you bring the front sight into the rear, the red front dot tucks away behind the rear tube and leaves a single glowing green circle floating on your target. That gives you clear, positive confirmation that your sights are lined up, and if you see both dots, you know your alignment needs a nudge. It's a clever way to get that red-dot feel without adding an optic or a battery to your slide.
The front sight runs a large red fiber optic rod backed by a tritium vial, while the rear carries a green tritium tube. That fiber-plus-tritium combo means you get a bright, eye-catching sight picture in daylight and steady glow when the sun goes down. No switches, no charging, no worrying about dead batteries at the worst possible moment. It's built for personal defense, duty use, or anyone who just wants faster, more intuitive aiming.
This set is cut for SIG P320 and P365 pistols in 9mm running fixed, non-optic-ready sights. It retains factory sight height, so your point of aim stays familiar and it plays nice with standard holsters. The all-steel construction with a black finish is made to take a beating, and the low-profile shape keeps it from snagging on clothing or gear during the draw, which matters a lot for concealed carry.
If you've found traditional three-dot sights harder to pick up, or you like the speed of a red dot but not the bulk, this system splits the difference nicely. The bright front fiber pulls your eye to the target fast, and the single-dot picture keeps things simple under pressure. Backed by a 12-year tritium warranty, it's a set you can trust to stay lit for the long haul.
This set is designed for SIG P320 and P365 pistols chambered in 9mm that use fixed, non-optic-ready sights. It retains factory sight height, so your zero and point of aim should feel familiar. If your pistol came from the factory with an optic cut or suppressor-height sights, this specific set is not the match.
When your sights are properly aligned, the red front dot disappears behind the rear tube and you're left focusing on one glowing green circle, similar to how a red dot looks. If you see both the red front and green rear at the same time, that tells you the alignment is off and you can correct your grip or aim. It's a fast, intuitive way to confirm you're on target.
No batteries required. The system combines fiber optic and tritium, so the fiber pulls in ambient light to shine bright during the day and the tritium keeps things glowing in low light or full darkness. That gives you round-the-clock visibility with nothing to charge or switch on.
Yes, the low-profile design is shaped to avoid snagging on clothing or gear during the draw, and since it keeps factory height it works with standard holsters. The all-steel build holds up to daily carry and hard use. It's a solid pick for a defensive or everyday carry setup.
| UPC | 613485590425 |
|---|---|
| Manufacturer | |
| Manufacturer Part Number | SG320FD21 |
| Color | Red, Green |
| Length | 6.6000 |
| Model | |
| Shipping Weight | 0.05 |
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