There are also single-action semi-automatic pistols ... restrained by a spring-loaded firing pin safety. When the trigger is properly pulled, the first safety, a spring-loaded trigger locking ...

Once cocked, the striker is locked by the striker safety, which prevents the firing pin of the striker ... light trigger pull similar to most hammer fired single action guns, but with the ...

But there’s also a single-action sear and actuating lever activated by the trigger bar that catches if the decocker is not depressed. A passive firing pin safety tab presses up on the plunger in ...

What’s the deal with single action vs double action handguns? Well, it’s all about the trigger and exactly what happens when it’s pressed. The only thing the trigger of a single action (SA ...

Both revolvers and pistols can be either single-action (SA) or double-action (DA), and the SA and DA identifiers are not so much about the handgun as they are, as mentioned, about trigger function.