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Sear shown in a revolver action. In a firearm, the sear is the part of the trigger mechanism that holds the hammer, striker, or bolt back until the correct amount of pressure has been applied to the trigger, at which point the hammer, striker, or bolt is released to discharge the weapon. The sear may be a separate part or can be a surface ...
With a DA revolver, the hammer can be cocked first (single action), or the trigger can be pulled and it will cock and release the hammer (double action). [1] Once the gun has fired, the hammer stays in the decocked position until the hammer is re-cocked (single action), or the trigger is pulled again (double action).
Most double-action revolvers may be fired in two ways: [25] The first way is single-action; that is, exactly the same as a single-action revolver; the hammer is cocked with the thumb, which indexes the cylinder, and when the trigger is pulled, the hammer is released and the round is fired.
The Smith & Wesson Model 2, also referred to as the Smith & Wesson .38 Single Action, was a .38 caliber revolver produced in both single and double action by Smith & Wesson. The manufacturer's first of that caliber, its 5-shot cyclinder was chambered in .38 S&W .
In the late 1930s and early 1940s, Walther introduced the first "double-action" (actually DA/SA hybrid) semi-automatic pistols, the PPK and P.38 models, which featured a revolver-style double-action trigger, allowing the weapon to be carried with a round chambered and the hammer lowered. After the first shot, they would fire subsequent shots ...
The Smith & Wesson Model 686 is a six- or seven-shot double-action revolver manufactured by Smith & Wesson and chambered for the .357 Magnum cartridge; it will also chamber and fire .38 Special cartridges. Smith & Wesson introduced the Model 686 in 1981. It is the stainless steel version of the Model 586, which featured a blued steel finish.
The Colt M1878 is a double-action revolver that was manufactured by Colt's Manufacturing Company from 1878 until 1907. It is often referred to as the "Frontier" or the "Double Action Army" revolver, and was manufactured to shoot a variety of rimmed, centerfire, blackpower cartridges, in calibers detailed nearby.
The Triple Lock, officially the Smith & Wesson.44 Hand Ejector 1st Model New Century, is a double-action revolver. It was and is considered by many, including handgun enthusiast and expert Elmer Keith, to be the finest revolver ever made. [1] Its popular name refers to its extra (third) locking lug on the cylinder crane.