The average trigger pull on a revolver is not a single, fixed value; it varies significantly depending on whether the revolver is a single-action or a double-action firearm. Each type is designed with different operational mechanisms that directly influence the required force to discharge the weapon.
Understanding Trigger Pull in Revolvers
Trigger pull refers to the amount of force, measured in pounds (lb), required to move the trigger sufficiently to release the hammer or striker and fire the weapon. This measurement is crucial for safety, accuracy, and overall firearm handling.
Revolvers generally fall into two main categories based on their action type, each having distinct trigger pull characteristics:
- Single-Action (SA) Revolvers: In a single-action revolver, the hammer must be manually cocked back before each shot. Cocking the hammer typically rotates the cylinder and locks the hammer in place. Pulling the trigger then only performs the single action of releasing the hammer. This mechanism usually results in a lighter, crisper trigger pull.
- Double-Action (DA) Revolvers: A double-action revolver allows the user to fire the weapon by simply pulling the trigger. This single trigger pull performs two actions: it cocks the hammer (and rotates the cylinder) and then releases the hammer to fire the shot. Because the trigger is performing more work, the pull is inherently heavier and often longer. Some double-action revolvers can also be manually cocked for a single-action shot, known as Double-Action/Single-Action (DA/SA) revolvers.
Typical Trigger Pull Ranges
Based on the firearm's action, the average trigger pull can be summarized as follows:
| Firearm Type | Typical Trigger Pull Range | Average Trigger Pull (Midpoint) |
|---|---|---|
| Single-action revolvers | 4 lb to 6 lb | 5 lb |
| Double-action revolvers | 10 lb to 15 lb | 12.5 lb |
As the table illustrates, the average trigger pull for a single-action revolver is around 5 pounds. In contrast, a double-action revolver typically has a significantly heavier average trigger pull, approximately 12.5 pounds. These averages are derived from the typical ranges observed for each type of revolver.
Factors Influencing Trigger Pull
Beyond the fundamental action type, several other factors can influence the exact trigger pull of a specific revolver:
- Manufacturer and Model: Different manufacturers and specific models within their lines will have varying designs and tolerances, leading to slight differences in trigger pull.
- Modifications (Trigger Jobs): Aftermarket modifications, often referred to as "trigger jobs," can be performed by gunsmiths to lighten, smooth, or otherwise alter the trigger pull to a shooter's preference.
- Wear and Tear: Over time, the internal components of a revolver can wear, potentially affecting the trigger pull weight and feel.
- Springs: The strength and type of springs used in the trigger mechanism directly impact the force required for the pull.
Understanding these distinctions is crucial for anyone handling or evaluating revolvers, as trigger pull directly impacts shooting accuracy, speed, and safety.
