Double Action Vs Single Action, What's the difference?

Published on June 24, 2022
Duration: 1:00

This video clearly explains the functional differences between Double Action (DA) and Single Action (SA) trigger mechanisms, using a Ruger SP101 as a practical example. It highlights that DA involves a longer, heavier pull to cock and release the hammer, while SA requires manually cocking the hammer for a lighter, shorter pull. The content emphasizes DA's suitability for concealed carry due to safety and SA's advantage for accuracy, while also issuing a crucial safety warning about decocking.

Quick Summary

Double Action triggers cock and release the hammer in one pull, creating a longer, heavier trigger press. Single Action triggers only release an already cocked hammer, offering a lighter, shorter pull ideal for accuracy. DA is often preferred for concealed carry due to its inherent safety.

Chapters

  1. 00:00Introduction & Safety Check
  2. 00:07Double Action (DA) Mechanics Explained
  3. 00:23Single Action (SA) Mechanics Explained
  4. 00:34Use Cases & Safety Warnings

Frequently Asked Questions

What is the main difference between Double Action and Single Action triggers?

A Double Action trigger performs two functions: cocking the hammer and releasing it with one pull, resulting in a longer, heavier pull. A Single Action trigger performs only one function: releasing an already cocked hammer, offering a lighter, shorter pull.

Which trigger type is better for concealed carry?

Double Action is generally recommended for concealed carry. The hammer-down position is safer to handle, and the heavier trigger pull reduces the risk of accidental discharge during drawing or manipulation.

How does a Single Action trigger work?

In Single Action mode, you must manually cock the hammer first. Once the hammer is cocked, the trigger's sole function is to release it, providing a much lighter and crisper pull for improved accuracy.

What are the risks associated with decocking a hammer-fired firearm?

Decocking requires careful control. If the hammer slips from your grip during the decocking process, it can lead to an accidental discharge, emphasizing the need for proper technique and a secure hold.

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