Difference between Single Action and Double Action Guns

Single-Action vs Double-Action Guns

Difference between Single Action and Double Action Guns

Welcome to the ultimate showdown between two titans of the firearms world:


Single Action (SA) versus Double Action (DA) guns. If guns could have personas, these two would be the charmingly old-fashioned gentleman (SA) and the versatile multitasker (DA). Picture this: SA saunters in, boasting a history that predates your great-great-grandpa’s tales. Meanwhile, DA strolls in with an air of modernity, ready to pull off more moves than a Swiss Army knife. But hey, let’s not get ahead of ourselves—let’s break down this showdown.

In this corner, we have Single Action guns—classics that operate like a well-choreographed dance routine. Think of them as the Fred Astaire of firearms, where every move is deliberate, precise, and oh-so-refined. On the other side, we’ve got the Double Action guns, the multitasking wizards of the firearm world. These babies? They’re the MacGyvers, handling multiple tasks with that effortless coolness.

Now, before we dive into the intricacies of trigger pulls and mechanics, let’s embark on this journey of discovery. Get ready to unravel the mysteries behind these firearm giants, from their mechanisms to their quirks—and yes, even their dating preferences (just kidding on that one, folks). So, holster your expectations and lock and load your curiosity because this showdown is about to begin.


If you want to learn more about single-action and double-action guns and how they’re different, check out this article.

What are Single-Action and Double-Action Guns?

Single-action and double-action mechanisms are fundamental aspects of firearm design, dictating how a gun fires with each trigger pull. Understanding these mechanisms is crucial for anyone interested in firearms.

Single-Action Gun:

In a single-action firearm, the trigger performs a single function: releasing the hammer to strike the firing pin or primer. However, before firing, the shooter must manually cock the hammer by either thumbing it back or using an external mechanism. Once the hammer is cocked, a slight trigger pull is all that’s needed to discharge the weapon. The trigger pull in a single-action firearm is typically lighter and requires minimal force since it only releases the pre-cocked hammer.

Single-action mechanisms are commonly found in revolvers and certain semi-automatic handguns. They are favored for their precise trigger control and lighter trigger pull, making them popular in competitive shooting and target practice.

Double-Action Gun:

Contrastingly, in a double-action firearm, the trigger performs two functions: both cocking the hammer and releasing it to fire the gun. With each trigger pull, the entire cycle—cocking of the hammer and releasing it—occurs automatically. This mechanism requires a longer and heavier trigger pull compared to single-action firearms because it’s responsible for both cocking and releasing the hammer.

Double-action mechanisms offer simplicity in operation, as they eliminate the need for manually cocking the hammer before each shot. Many revolvers and some semi-automatic handguns feature double-action capabilities, providing versatility and ease of use in various scenarios.

Differences and Applications:

The primary distinction between single-action and double-action firearms lies in the trigger operation and the force required to fire a shot. Single-action firearms offer lighter trigger pulls and enhanced precision, making them preferred for accurate shooting, especially in competitive environments. On the other hand, double-action firearms provide simplicity and convenience, as the shooter doesn’t need to manually cock the hammer before each shot.

Understanding these mechanisms is vital for firearm users, as it influences shooting techniques, preferences, and the choice of firearms for specific applications.

Single-Action vs Double-Action Guns

The following table highlights the major differences between single-action and double-action guns:–

AspectSingle Action (SA) GunsDouble Action (DA) Guns
Trigger FunctionReleases the hammer after being cockedBoth cocks and releases the hammer
Trigger PullLighter, as it only releases the hammerHeavier, responsible for both cocking & firing
Cocking MechanismRequires manual cocking of the hammerAutomatically cocks the hammer with trigger
Force RequiredMinimal force after hammer cockingMore force due to both cocking and firing
PrecisionOffers enhanced precision due to lighter pullSlightly reduced precision due to heavier pull
UsageFavored in competitive shooting/target practiceProvides ease of use & versatility
ExamplesCertain semi-automatics, many revolversCertain semi-automatics, some revolvers
Flat horizontal weapon banners presenting descriptions of rifles gun and their parts isolated vector illustration


single-action firearms necessitate manual hammer cocking before firing, resulting in a lighter trigger pull, while double-action firearms automatically perform both cocking and firing functions with a heavier trigger pull. Each mechanism has its advantages, catering to different shooting styles and preferences within the realm of firearms.

Previous articleHow to Grow your Google AdSense Revenue by Increasing Your CPC
Next articleWhat is Google and when and who invented it?


Please enter your comment!
Please enter your name here