9x19 mm Parabellum
300 - 460
Range of effective fire
The FN FNX
series of pistols was first introduced in 2009. It is
based on the
FNP series, but incorporates many ergonomic
improvements. The FNX was developed for the US Joint Combat Pistol
program. This program was aimed to replace the
but was eventually suspended.
The FN FNX pistols replaced in production the FNP series.
Both of these pistols are broadly similar, however the FNX is more
compliant with military requirements.
The FN FNX is available chambered in 9x19 mm, .40 S&W and .45
The FNX is a
fairly conventional pistol with a number of previously known design
features. It is a recoil-operated semi automatic weapon. It fires
with a locked breach and uses a Browning-type locking system. This
handgun has a polymer frame and a stainless steel slide. The FNX has
an exposed hammer.
This weapon proved to be reliable.
Unusual feature of
the FN FNX is that it has fully replaceable frame rails. This
feature allows the pistol to be rebuilt after extensive firing,
hence extends the service life of the weapon. This feature is also present of the
FN FNP, however it was borrowed from the Steyr M-series pistol, that
was released back in 1999. Trigger and
hammer are formed in a single module and can be easily removed for
maintenance or replacement.
was available has a double-action trigger mechanism. However it can
be also fired in single-action mode.
has a frame-mounted ambidextrous manual thumb safety. There is also an internal
firing pin safety. All versions of the FN FNX have an
ambidextrous decocking levers. There is a loaded chamber indicator
on the right side.
The FNX-9 is
fed from 17-round capacity magazines. Magazine release button is
ambidextrous. This handgun comes with three magazines.
comes as standard with tritium night sights. Both front and rear sights are
dovetailed into the slide.
has an accessory rail and can mount tactical flashlight or laser
production models of the FNX, as well as the pre previous FNP, were
sold with 2 interchangeable grip backstraps. One of them was flat,
while the other one was curves. So the shooter could install the backstrap
that suits him most. Since 2012 the FNX
comes with 4 interchangeable backstraps. These have different
thickness and different pattern.
version chambered in 9x19 mm ammunition.
version chambered in .40 S&W ammunition. It uses 14-round
version chambered in .45 ACP ammunition. This pistol was introduced
Tactical. This versions is chambered in .45 ACP ammunition. It was
released soon after the FNX-45 was introduced. The "Tactical"
enhanced sights, and additional sight rail for mounting red dot
sights. These pistols also have threaded barrels and can