I-Dot Tritium Sight Set For Glock(R) Gen 1-4 20,21,31 - I-Dot Sight Set For Glock 10mm/.45/.357 Black

Name: I-Dot Tritium Sight Set For Glock(R) Gen 1-4 20,21,31 - I-Dot Sight Set For Glock 10mm/.45/.357 Black
Brand: Ameriglo
SKU: 430110289
Price: 79.99 USD
Availability: InStock

Overview

Built around a dot-over-dot layout, this sight set is intended to give Glock shooters a fast, straightforward vertical sight picture. It is designed to fit Gen 1-4 Glock models chambered in 10mm, .45, and .357, making it a focused option for compatible handguns. The front uses a tritium insert with an orange outline, while the rear also uses tritium and a square notch to support low-light aiming. For hunters and outdoor users who want a simple night-sight setup on a defensive or field sidearm, it offers a practical, no-frills configuration.

Why Hunters Choose the Ameriglo

Dot-over-dot Configuration

Supports quick, easy vertical sight

Designed Fit

Glock Gen 1-4 10mm, .45,

Front Tritium

Orange outline for visibility

Rear I-dot

Tritium sight features a square

Case-hardened Front

Rear sight finishes are specified

Key Features

Dot-over-dot configuration for quick, easy vertical sight alignment.
Fits Glock Gen 1-4 10mm, .45, and .357 models.
Front sight uses tritium with a green insert and orange outline.
Rear sight features i-Dot tritium with a square notch shape.
Front and rear sights have a case-hardened finish.
Not compatible with MOS slides.

Best Used For

Glock Gen 1-4 owners in 10mm, .45, or .357 needing a compatible sight upgrade
Shooters who prefer a dot-over-dot sight picture for straightforward vertical alignment
Hunters and outdoorsmen wanting tritium sights for low-light handgun use
Users with non-MOS slides seeking a direct fit sight set
Those who want a simple, no-frills sight setup for general shooting

Specifications

Fits Make	Glock
Fits Model	Gen 1-4 10mm/.45/.357
Fits Mos Slide	No
Front Blade Height	0.2 in. (5.08mm)
Front Blade Width	0.140 in. (3.56mm)
Front Outline Color	Orange
Front Sight Finish	Case Hardened
Front Sight Style	Tritium
Front Tritium Color	Green
Rear Notch Shape	Square
Rear Sight Finish	Case Hardened
Rear Sight Style	i-Dot Tritium
Rear Tritium Color	Green

Pros

Dot-over-dot configuration supports quick, easy vertical sight alignment.
Designed to fit Glock Gen 1-4 10mm, .45, and .357 models.
Front tritium sight uses a green insert with orange outline for visibility.
Rear i-Dot tritium sight features a square notch.
Case-hardened front and rear sight finishes are specified.
Made by Ameriglo and listed as an i-Dot night sight set.

Considerations & Trade-offs

Fits Glock Gen 1-4 10mm/.45/.357 models only, so compatibility should be confirmed before purchase.
Not listed for MOS slides, which limits use on those configurations.
The dot-over-dot sight picture is designed for quick vertical alignment, but it may not suit shooters who prefer a different sighting style.
Front and rear tritium elements are specified, but the product details do not include brightness duration or other performance claims.

Suggested Comparisons

Pistol night sights
Glock sight sets
Tritium handgun sights
Fixed handgun sights

Suggested Accessories

Holster
Sight installation tool
Pistol cleaning kit
Spare magazine

Frequently Asked Questions

Which Glock models does this sight set fit?

It fits Glock Gen 1-4 models in 10mm, .45, and .357, specifically listed for models 20, 21, and 31.

Is this sight set compatible with MOS slides?

No. The provided specifications state: Fits MOS Slide; No.

What sight configuration does the AMERIGLO i-Dot use?

It uses a dot-over-dot configuration with a tritium front sight and an i-Dot tritium rear sight for vertical alignment.

What are the tritium colors and front sight outline color?

The front tritium color is green, the front outline color is orange, and the rear tritium color is green.

What rear sight shape is listed for this set?

The rear sight notch shape is square.