Single-Action


A firearm mechanism in which the hammer must be manually cocked before the trigger can release it, common in older revolvers.

Related Terms

Cylinder (Revolver)


The rotating part of a revolver holding multiple chambers of ammunition, advancing with each hamm...


View Term: Cylinder (Revolver)

Double-Action


A firearm mechanism where pulling the trigger cocks and then releases the hammer (common in some ...


View Term: Double-Action

Handgun


A short-barreled firearm (pistol or revolver) designed for one-handed operation; often requires s...


View Term: Handgun

Sear


The component in a firearm’s trigger group that holds the hammer or striker back until the trigge...


View Term: Sear

Trigger Pull


The amount of force needed to fire a shot; heavier or inconsistent triggers can reduce accuracy.


View Term: Trigger Pull

Auto-Indexing (Revolver)


A revolver feature where cocking the hammer or pulling the trigger automatically rotates the cyli...


View Term: Auto-Indexing (Revolver)

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