The FN FNX is a semi-automatic large framed pistol chambered in 9mm, .40 S&W and .45 ACP.

The FNX was introduced in 2009 and actually stems from the FN FNP-45 USG; a .45-caliber pistol designed with specifications that comply with the US DoD’s Joint Combat Pistol Program.

The FNX is hammer fired and uses a single-action/double-action trigger. Features include a polymer frame, three-dot sights, ambidextrous controls that include a manual safety/decocker and slide stop, interchangeable backstraps with lanyard eyelets, so the user can attach it to his or her rig with string, and a Picatinny rail for easy mounting of accessories.

Its four-inch barrel is hammer-forged, meaning the rifling is durable and accurate, and is made of stainless steel. Inside the chamber it has a polished feed ramp.

And though the frame is polymer, the slide is made of stainless steel and is available with either a matte silver or matte black finish.

It is available in different calibers, so, of course, its size and capacity change as well. The FNX-9 is chambered in 9mm, weighs 21.9 ounces and its magazine holds 17 rounds. The FNX-40 is chambered in .40 S&W and has a four-inch barrel.

The FNX may be fired in either single or double action, and its safety action is based on the M1911’s for “cocked and locked” carry.


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