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The AmeriGlo SG301 i-Dot set trims down the clutter of a busy sight picture and puts your focus right where it belongs: the front sight. Instead of the traditional three dots, this set runs a dot-over-dot layout with a bright green tritium front wearing a LumiGreen outline, paired with a single green tritium dot in the square-notched rear. Line the front dot up over the rear dot and you're on target. It's a simple system that a lot of folks find quicker to pick up under stress, and the glowing outline makes the front sight jump out in daylight too.
The two-dot setup is the whole idea here. A single reference dot in the rear means less to sort through in a hurry, so your eye snaps to the front and stays there. The wider rear notch and slender front post give you a clean, uncluttered picture, which is why this style has a loyal following among carry and everyday-use crowds. If you've been running stock plastic sights, the difference in speed and low-light visibility is night and day.
These sights are CNC machined from steel and assembled with Swiss-made tritium, so they're built to take recoil and years of carry without complaint. The tritium glows on its own with no batteries, switches, or charging, which means they're ready whenever you are, whether that's a dark hallway or a dim range bay. The matte black finish keeps glare down and won't wash out your sight picture in bright sun.
The SG301 drops into most Sig Sauer pistols that use a #8 height front and #8 rear, covering a wide swath of the P-series lineup. Installation is straightforward with a sight pusher or the right punches, though a lot of people hand it to their local gunsmith to get the rear dialed in perfectly. Confirm your specific model uses the #8 cut before ordering and you'll be set.
It's built for most Sig Sauer pistols that use a #8 height front and #8 rear sight, which covers a large portion of the P-series. Because Sig fitment varies by model and generation, check that your pistol uses the #8 cut before ordering. If you're unsure, your model number and the factory sight height will tell you what you need.
The i-Dot uses a dot-over-dot design with just one dot in the rear instead of two. You stack the glowing front dot over the single rear dot for vertical alignment, which cuts down on visual clutter and helps your eye lock onto the front sight faster. Many people find this quicker under pressure, though those used to three dots may take a short adjustment period.
No. The tritium glows on its own through a self-powered process, so there are no batteries, switches, or light exposure required. That means the SG301 is ready in the dark at any moment, and the green tritium delivers consistent low-light visibility for years.
You can, provided you have a proper sight pusher or the correct punches and take care not to mar the slide. The rear sight is drift-adjustable for windage, so many people prefer having a gunsmith set it and confirm zero. It's a common upgrade, so most shops can knock it out quickly if you'd rather not tackle it at the bench.
| UPC | 644406908586 |
|---|---|
| Manufacturer | |
| Manufacturer Part Number | SG301 |
| Shipping Weight | 0.06 |
| Style | i-Dot |
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