Curved vs. Flat Triggers

Published on August 13, 2025
Duration: 2:08

This guide, informed by professional firearms instructors from GUNBROS, breaks down the functional differences between flat and curved triggers. It explains the physics behind perceived trigger pull weight, the advantages of each design for different firearm actions (like DA/SA vs. striker-fired), and highlights hybrid options. The information is presented to help shooters make informed decisions about their gear preferences and understand firearm mechanics better.

Quick Summary

Flat triggers can offer a perceived lighter pull due to increased mechanical leverage, while curved triggers provide consistent finger placement, often necessary for DA/SA firearms. Hybrid triggers, like the Geissele Lightning Bow, blend these characteristics. Understanding these differences helps shooters optimize firearm control and preference.

Chapters

  1. 00:00Introduction to Trigger Types
  2. 00:31The Science of Flat Triggers
  3. 01:09Hybrid Options: Geissele Lightning Bow
  4. 01:41Double Action and Curved Triggers

Frequently Asked Questions

What is the main advantage of a flat-faced trigger?

Flat-faced triggers can offer a perceived lighter pull due to increased mechanical leverage. Placing your finger lower on a flat surface creates a longer lever arm, potentially requiring less force to break the shot compared to a centered grip on a curved trigger.

Why are curved triggers often used on DA/SA firearms?

Curved triggers are frequently necessary for Double Action/Single Action (DA/SA) firearms. The long, sweeping trigger pull in double-action mode requires a consistent profile and surface area that a flat trigger might not provide effectively throughout its entire arc of movement.

What is a hybrid trigger, and what does it offer?

A hybrid trigger, exemplified by the Geissele Lightning Bow, features a slight curve. It aims to provide a consistent index point for the shooter's finger while still offering some of the leverage benefits associated with completely flat triggers.

How does trigger shape affect shooting?

The shape of a trigger influences finger placement, perceived pull weight, and consistency. Flat triggers can enhance leverage, while curved triggers aid in consistent indexing, both impacting a shooter's ability to control the shot break.

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