Carry Revolvers: DA/SA vs. DAO

Published on February 27, 2014
Duration: 8:28

This guide explains the functional differences between DA/SA and DAO revolvers, focusing on their application in concealed carry. It highlights the accuracy benefits of a single-action shot in DA/SA designs and addresses user confidence related to trigger pull weight. The guide also clarifies the common 'rattle' phenomenon in certain revolvers as a normal safety feature. Instruction is geared towards intermediate handgun users seeking to optimize their carry choices.

Quick Summary

DA/SA revolvers offer a tactical advantage for concealed carry by allowing a precise single-action shot via the external hammer, while DAO revolvers provide a consistent, heavier trigger pull for enhanced safety. The characteristic rattle in some models, like the Ruger LCRx, is a normal function of the transfer bar safety.

Chapters

  1. 00:20Ruger LCRx Intro & DA/SA vs DAO
  2. 01:31Accuracy Advantage of DA/SA
  3. 03:31Perceived Safety & Confidence
  4. 05:46The Ruger 'Rattle' Explained

Frequently Asked Questions

What is the main advantage of a DA/SA revolver for concealed carry?

The primary advantage of a DA/SA revolver for carry is the ability to perform a precision single-action shot. By cocking the external hammer, you achieve a lighter trigger pull, increasing the likelihood of an accurate first shot, especially in high-stress self-defense scenarios.

Why do some shooters prefer the heavier trigger pull on DAO or DA/SA revolvers?

Some shooters feel more confident with the heavier double-action trigger pull found on DAO or DA/SA revolvers. This is because the increased resistance can reduce the perceived risk of an accidental discharge during handling or drawing from concealment.

What causes the rattling sound in revolvers like the Ruger LCRx?

The rattling sound often heard when shaking revolvers like the Ruger LCRx is typically due to the transfer bar safety mechanism. This component needs to be slightly loose to function correctly, ensuring it reliably blocks the firing pin until the trigger is pulled.

How does a DA/SA trigger pull differ from a DAO trigger pull?

A DA/SA (Double Action/Single Action) revolver allows for both a heavy, consistent double-action pull and a lighter, crisper single-action pull (achieved by cocking the hammer). A DAO (Double Action Only) revolver has only one type of trigger pull: a consistent, heavier double-action stroke.

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