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AmeriGlo SG201 i-Dot Night Sight Set for Sig Sauer #8 Front & Rear

UPC: 644406908562

$68.99

3 in stock

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Description

The AmeriGlo SG201 swaps the busy three-dot layout for something simpler and quicker. Instead of lining up three horizontal dots, you stack a single front dot right over a single rear dot. That vertical dot-over-dot picture is what gives the i-Dot its reputation for fast, instinctive alignment. The green tritium front sight is wrapped in a bright orange outline that jumps out in daylight, while the rear carries one green tritium lamp so you're only tracking two glowing references instead of three when the sun goes down.

Why the i-Dot Layout Works

The idea behind the i-Dot is speed under pressure. With just a front dot and a rear dot to stack, your eye finds the alignment faster and doesn't get distracted by extra dots off to the sides. That orange front ring does a lot of heavy lifting in the daylight too, giving you a high-contrast aiming point your eye snaps to without conscious effort. Folks who run these tend to notice how naturally the front sight pulls focus.

Tritium That Runs Without Batteries

These are true night sights powered by tritium, so there's nothing to charge and no switch to flip. The lamps glow on their own around the clock, which makes them a solid pick for a carry gun, a nightstand pistol, or a duty setup. Tritium does dim gradually over the years, but you get a long service life of usable glow before you'd ever think about a swap. The sights are steel with a matte black finish that holsters cleanly and shrugs off holster wear.

Fitment for Your Sig

The SG201 is built for most Sig Sauer pistols that use a #8 front and #8 rear, covering a big chunk of the P-series lineup. Getting the sizing right on your specific model matters, so double-check your slide before ordering. A word from the field: AmeriGlo recommends a sight pusher over a punch for installation, since a pusher protects the tritium vials and keeps everything square during the swap.

Key Specifications

  • Manufacturer: AmeriGlo
  • Manufacturer Part Number: SG201
  • UPC: 644406908562
  • Style: i-Dot (dot-over-dot)
  • Fits: Most Sig Sauer pistols using #8 front & #8 rear
  • Front Sight: Green tritium with orange outline
  • Rear Sight: Single green tritium dot
  • Front Material: Tritium
  • Rear Material: Tritium
  • Frame Material: Steel
  • Finish: Matte black
  • Illumination: Tritium, no batteries required

What’s Included

  • AmeriGlo i-Dot front sight (green tritium, orange outline)
  • AmeriGlo i-Dot rear sight (single green tritium dot)

Frequently Asked Questions

What does the i-Dot sight picture look like compared to standard three-dot sights?

Instead of lining up three dots side by side, the i-Dot uses one front dot stacked directly over one rear dot. You align them vertically, which many find quicker and less cluttered than a traditional three-dot setup. The bright orange outline on the front sight also helps your eye lock onto the aiming point fast in daylight.

Will the AmeriGlo SG201 fit my Sig Sauer?

The SG201 is cut for most Sig Sauer pistols that use a #8 front and #8 rear sight, which covers a large portion of the P-series. Sizing varies between models and calibers, so it's worth confirming your specific slide takes the #8/#8 configuration before ordering. If you're unsure, check your current sight sizing or ask before installing.

Do these night sights need batteries?

No. The SG201 runs on tritium, which glows on its own without any batteries or charging. Tritium dims slowly over many years, so you'll get a long stretch of reliable low-light glow before you'd ever consider replacing them.

What's the best way to install the SG201 i-Dot sights?

AmeriGlo recommends using a sight pusher rather than driving the sights in with a punch. A pusher keeps everything square and protects the delicate tritium vials during the swap. If you don't have a pusher, having a gunsmith handle the install is a safe route.

Additional information

UPC

644406908562

Manufacturer

Manufacturer Part Number

SG201

Style

i-Dot

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