Double Action vs Single Single Action

Published on February 7, 2024
Duration: 0:54

This video, presented by Guns Pinoy Host, offers an educational and enthusiastic comparison between Double Action (DA) and Single Action (SA) trigger mechanisms. The host, demonstrating subject matter expertise, clearly explains the distinct operational sequences of each action using a CZ Shadow 2 for DA and a custom competition pistol for SA. The video also briefly touches upon ammunition types, specifically Jacketed Hollow Point (JHP) rounds.

Quick Summary

The primary difference between Double Action (DA) and Single Action (SA) triggers lies in their function. DA requires a single, longer trigger pull to both cock and release the hammer. SA requires the hammer to be pre-cocked, with the trigger pull solely releasing it, resulting in a shorter, lighter pull.

Chapters

  1. 00:00Introduction to Trigger Actions
  2. 00:05Double Action (DA) Explained
  3. 00:22Single Action (SA) Explained
  4. 00:49Ammunition Type

Frequently Asked Questions

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

Double Action (DA) requires one long trigger pull to both cock and release the hammer. Single Action (SA) requires the hammer to be pre-cocked, and the trigger pull only releases it, resulting in a shorter, lighter pull.

How does the trigger pull differ between DA and SA pistols?

A DA trigger pull is typically longer and heavier because it performs two actions. An SA trigger pull is shorter and lighter, as its sole function is to release the hammer after it has been manually cocked or cycled by the slide.

What firearms were used to demonstrate DA and SA triggers?

The video used a CZ Shadow 2 pistol to demonstrate the Double Action (DA/SA) trigger mechanism and a custom competition pistol to illustrate the Single Action (SA) trigger mechanism.

What is a Jacketed Hollow Point (JHP) bullet?

A Jacketed Hollow Point (JHP) is a type of bullet designed to expand upon impact, increasing its diameter and creating a larger wound channel. This expansion is intended to maximize energy transfer and stopping power.

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