description Walther P99 Overview
Introduced in 1994, the Walther P99 is a semi-automatic pistol developed by the German manufacturer Carl Walther GmbH. It is notable for its use of a striker-fired action, a relatively novel feature for a service pistol at the time of its release, and its distinctive slide-mounted decocker button. Chambered primarily in 9mm Parabellum, the pistol features a polymer frame and has been adopted by various law enforcement and military units around the world.
help Walther P99 FAQ
How does the Walther P99 decocker work on a striker-fired pistol?
The P99 places a decocking control on top of the slide rather than using the side-mounted lever common on hammer-fired pistols. On compatible trigger variants, it safely returns the striker mechanism to its decocked state.
What do the P99 AS, QA, and DAO trigger names mean?
AS refers to Walther's Anti-Stress trigger system, while QA and DAO identify different trigger mechanisms and pull characteristics. These variants do not operate identically, so buyers should identify the exact marking rather than treating every P99 as the same pistol.
Was the Smith & Wesson SW99 related to the Walther P99?
Yes. The SW99 combined a Walther-derived polymer frame and operating concept with components produced for Smith & Wesson, making it a close relative rather than an unrelated competitor.
Is the Walther PDP a direct replacement for the P99?
Walther ended regular P99 production after a long run that began in the 1990s, while the newer PDP became its principal modern duty and defensive pistol line. The PDP uses a different design and optics-oriented feature set, so it is a successor in market role rather than the same mechanism under a new name.
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