Trigger Group PartsAgency ArmsSold by Brownells

Agency Arms

Drop-In Flat Trigger For GlockA(R) - Drop-In Trigger For GlockA(R), Gray

Our editorial team reviews specifications, product data, and field-use information to keep pages accurate.

Agency Arms

Flat-face trigger for Glock pistols

Drop-in Design

For straightforward installation

Aluminum Trigger

Factory trigger bar

Fits Gen

3 or 4 models in

Gray Finish

$135.00
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SKU: 100018062

Overview

This drop-in trigger is built for Glock owners who want a flatter trigger profile and a clean, consistent feel without changing the platform’s core setup. Agency Arms pairs an aluminum trigger body with the factory trigger bar, and the design is intended to deliver a short reset and crisp snap back. It fits Gen 3 or 4 models chambered in 9mm, .40 S&W, and .357 Sig, making it a focused option for users looking to refine their pistol’s trigger characteristics. The gray finish gives it a subdued look that suits a working handgun.

Why Hunters Choose the Agency Arms

Flat Face

A short reset and crisp

Drop-in Trigger

Format simplifies installation on compatible

Fits Gen

3 and Gen 4 pistols

Uses Aluminum

The factory trigger bar

Offered Agency

Arms for Glock-compatible setups

Key Features

  • Agency Arms flat-face trigger for Glock pistols
  • Drop-in design for straightforward installation
  • Aluminum trigger body with factory trigger bar
  • Fits Gen 3 or 4 models in 9mm, .40 S&W, and .357 Sig
  • Gray finish

Best Used For

  • Glock Gen 3 or 4 owners seeking a drop-in trigger for compatible 9mm, .40 S&W, or .357 Sig pistols
  • Shooters who prefer a flat-face trigger profile and factory trigger bar setup
  • Users wanting a trigger with short reset and crisp snap back for range use
  • Owners looking for an aluminum trigger body in a straightforward replacement part
  • Hunters or outdoorsmen maintaining a Glock platform with compatible factory-spec calibers

Specifications

Caliber Compatibility9mm, .40 S&W, and .357 Sig
ColorGray
Crisp Snap BackYes
FitmentGen 3 or 4
Short ResetYes
Trigger BarFactory trigger bar
Trigger Body MaterialAluminum
Trigger TypeFlat Face Trigger

Pros

  • Flat face design with a short reset and crisp snap back.
  • Drop-in trigger format simplifies installation on compatible Glock models.
  • Fits Gen 3 and Gen 4 pistols in 9mm, .40 S&W, and .357 Sig.
  • Uses an aluminum trigger body with the factory trigger bar.
  • Offered by Agency Arms for Glock-compatible setups.

Considerations & Trade-offs

  • Designed as a drop-in trigger for Glock Gen 3 or 4 pistols, so compatibility is limited to the listed generations and calibers.
  • Uses a factory trigger bar, which may be a plus for familiarity but also means the trigger is not a fully standalone system.
  • The flat-face design and short reset are specific handling characteristics, so it may feel different from a standard Glock trigger and is a matter of preference.
  • Product details do not specify installation requirements or whether additional fitting may be needed, so setup expectations should be confirmed before purchase.

Suggested Comparisons

  • Pistol trigger upgrade
  • Glock-compatible trigger component
  • Firearm parts and accessories
  • Handgun performance parts

Suggested Accessories

  • Pistol cleaning kit
  • Trigger guard holster
  • Gun safe
  • Spare magazine

Frequently Asked Questions

Which Glock models does this drop-in trigger fit?

According to the product data, it fits Glock Gen 3 or Gen 4 pistols chambered in 9mm, .40 S&W, and .357 Sig.

Is this a complete trigger assembly or a drop-in replacement?

It is described as a drop-in trigger. The listing also notes that it uses a factory trigger bar.

What is the trigger design?

The product is described as a Flat Face Trigger with a short reset and crisp snap back.

What material is the trigger body made from?

The product data states that the trigger body is aluminum.

Will this work with every Glock generation or caliber?

No. The verified fitment information is limited to Gen 3 or Gen 4 Glock pistols in 9mm, .40 S&W, and .357 Sig. Other generations or calibers are not specified.