9x19 mm Parabellum
300 - 460
Range of effective fire
P99 pistol was developed for law enforcement forces and civil
customers. It was designed in the mid 1990s. Production commenced in
1997. This pistol is produced to this day. It is also
license-produced in Poland by Radom factory and in the United States
by Smith & Wesson. However in both of cases frames are
supplied from Germany.
P99 has been adopted by the Finish armed forces, Iraqi army, and a
number of law enforcement forces and police departments from all
around the world.
P99 is a striker-fired pistol with a polymer frame and a steel
slide. At the time
of its introduction this pistol had a number of unusual features. It was a step forward for the Walther company.
was originally chambered in 9x19 mm Parabellum. A .40 S&W
version was introduced in 1999.
The P99 is a
short-recoil operated weapon. It fires with a locked breech and uses
a modified Browning locking system. It proved to be a reliable
the Walther P99 is a striker-fired pistol, it has unusual trigger
mechanism. It operates in a "double-action" mode similar to that of
hammer-fired pistols. It can also fire in a "single-action" mode.
There is a version of this pistol with "double action only" trigger
mechanism. The third version is Walther P99QA or "quick action". It
features a partially pre-cocked trigger for a constant trigger pull
from the first to last shot.
has an automatic firing pin block safety. The P99DAO version has a
slightly different automatic safety, built into the trigger.
There is a loaded chamber
indicator, as well as cocked striker indicator. Another unusual
feature of the baseline Walther P99 is a decocking button. It is
located on top of the slide. Other pistols typically have a
conventional lever on the side. This button is relatively large on
the standard P99 as it decocks the striker. The decocking button is
much smaller on the P99QA, where it is used only during disassembly.
The P99DAO lacks decocking button, as its firing pin is always
All controls of the P99
are fully ambidextrous for right- or left-hand operation. Except
that the first generation pistols have a slide release only on the
left side of the frame.
capacity of the P99 varies from 8 to 16 rounds, depending from the
caliber and version. A full-size version chambered in 9x19 mm is fed
from 16-round magazines, while similar version chambered in .40 S&W
is fed from 12-round magazines.
has iron sights. The rear sight post is dovetailed into the slide
and is adjustable. The sights have white inserts for firing at
The P99 has
3 interchangeable grip backstraps, including small, medium and
large. So the shooter can install the backstrap that suits him most.
has an accessory rail under the barrel and can be fitted with laser
pointer, tactical flashlight, or other accessories.
is a compact version;
generation of the P99 pistols was introduced in 2004. These pistols
were slightly redesignes, had better ergonomics and new model
designations. The P99 was renamed to P99AS (Anti-Stress). The P990
with a "double-action only" trigger mechanism was renamed to P99DAO.
The P99QA (Quick Action) pistol retained its name. Ambidextrous
slide release is proposed as an option of the second generation
Radom P99, a
Polish license-produced version, chambered in 9x19 mm Parabellum.
Frames for these pistols are supplied from Germany. This pistol is a
standard sidearm in service with Polish police;
Wesson SW99 is a close copy of the Walther P99, manufactured in the
USA. Frames for these pistols are supplied from Germany. Furthermore
Smith & Wesson also developed and produces a version of this pistol,
chambered in .45 ACP cartridge.