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Smart Bombs: Military, Defense and National Security

FN Five-seveN: A Pistol Pretending To Be an AR-15 Rifle? You Decide

FN Five-seveN
FN Five-seveN

AR-15 pistols have a well-established following. They use the AR-15 rifle platform as a starting point for handguns that use 5.56x45mm NATO rifle caliber ammo. 

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Starting in 1998, the Belgian gun manufacturer Fabrique Nationale Herstal (FN) decided to turn the concept on its head by designing a pistol chambered for a round that bears at least a token resemblance to the 5.56mm rifle round.

Say hello to the FN Five-seveN semiautomatic pistol and the FN 5.7x28mm cartridge. 

FN Five-seveN and 5.7x28mm History & Specifications

The FN Five-seveN actually wasn’t the first firearm to chamber the FN  5.7x28mm cartridge. That distinction went to the same manufacturer’s P90 personal defense weapon (PDW) designed back in 1990. For the benefit of our readers not familiar with the PDW concept, gun writer Caleb Giddings of TargetBarn.Com provides this explanation: “The accepted definition of a PDW is a gun designed to be issued to troops that aren’t on the front lines, but still might have need for a weapon more powerful than a handgun.” Put another way, basically a “tweener” hybrid between a carbine and a submachine gun (SMG). 

As regards the 5.7×28, “This little cartridge is known for its armor-penetrating abilities, flat trajectory, and high velocity out of a pistol-length barrel. The FN 5.7 has better range, accuracy, and terminal performance than the 9×19 Parabellum that it was trying to replace for NATO forces once upon a time.

“This cartridge is one of the most beloved — and hated — in existence today. Some experts claim it is perfect for self-defense, while others challenge those statements vehemently and regard it the same way they would a rimfire round.”

The Five-seveN is a single-action autopistol with an internal hammer, chrome-lined cold hammer-forged barrel, steel slide, polymer frame, and 20-round standard magazine capacity. It is equipped with an ambidextrous, forward-mounted manual safety and an accessory rail that accepts tactical lights and lasers. Barrel length is 4.8 inches, overall length is 8.2 inches, height is 5.7 inches, and width is 1.4 inches. Trigger pull weight is in the 4.4-to-7.7-pound range. 

The gun has been adopted by the military and police forces of over 40 nations. Meanwhile, in the world of action-adventure fiction, Juan Cabrillo, hero of The Oregon Files novel series – a spinoff of the late great Clive Cussler’s Dirk Pitt series – frequently totes an FN Five-SeveN. 

Personal Shooting Impressions

I only fired the Five-seveN on one occasion, renting one at the LAX Firing Range in Inglewood, California, sometime around 2008. It was an interesting experience, though it did not leave me inclined to buy one of my own.

The appearance of the rounds reminded me a bit of 5.56mm, and the muzzle report and flash had the look and feel of shooting an AR-15 or M16, yet the felt recoil was barely above that of a .22 LR pistol. That messed with my head a little bit, but it did not prevent me from getting consistent head hits at 7 yards and center-of-mass torso hits at 25 yards. Reliability was flawless. 

A Friend’s (and Five-seveN Owner’s) Shooting Impressions

Given my own limited trigger time with the Five-seveN, I decided to pick the brain of a friend who owns one of these pistols – my former high school classmate “Misfit.” Some of our readers may recall for being in my articles on the Glock 18 machine pistol and the SIG Sauer P220.  

Misfit’s only complaints are the price of the ammo and the fact that some of his local ranges don’t have a backstop sufficiently reinforced to handle the 5.7 round. Once he found a range that did allow the caliber, he was quite happy with its performance, proudly noting that “the grouping was in his left eye.” He goes on to add that “gun owners of any experience level should own that weapon” and “I love that gun more and more every time I shoot it.”

Want Your Own?

Based on my own and Misfit’s experiences, I can recommend the FN Five-SeveN, but be ready to bring a bankbook for the gun and ammo alike. The manufacturer’s official info page lists an MSRP of $1,409. As for the ammo, the staff al LAX Range and Los Angeles Gun Club inform me that the ammo for their rental Five-SeveNs is currently selling for 50 bucks for 50 rounds – a dollar a pop.

Christian D. Orr has 33 years of shooting experience, starting at the tender age of 14. His marksmanship accomplishments include: the Air Force Small Arms Ribbon w/one device (for M16A2 rifle and M9 pistol); Pistol Expert Ratings from U.S. Customs & Border Protection (CBP), Immigration & Customs Enforcement (ICE), and the Federal Law Enforcement Training Center (FLETC) Criminal Investigator Training Program (CITP); multiple medals and trophies via the Glock Sport Shooting Foundation (GSSF) and the Nevada Police & Fires Games (NPAF). Chris has been an NRA Certified Basic Pistol Instructor since 2011. 

Written By

Christian D. Orr is a former Air Force officer, Federal law enforcement officer, and private military contractor (with assignments worked in Iraq, the United Arab Emirates, Kosovo, Japan, Germany, and the Pentagon).




    January 23, 2023 at 3:16 pm

    I think I will go to the range, rent one of these 5 n’ 7’s and try it out……I long ago found value in the 223/556 combo and had a rifle made for varmint hunting, it has been superb, I only wish I had had it made in semi auto….My other love is the 17 cal, it is quiet and fast, the animals cannot get out of it’s way……

  2. Tomb

    January 23, 2023 at 3:27 pm

    Great article , but I am puzzled by comment “grouping is in his left eye”.
    Makes no sense at all.
    This bullet must become cheaper for more widespread

  3. Attila

    January 23, 2023 at 5:31 pm

    Why is the US weary of Russian threats just looking at the amount of atrocities putins scum military has committed in Ukraine 🇺🇦 should be enough to give Ukraine 🇺🇦 any weapons they ask for,putin cannot win this war as China would invade Taiwan and embolden Russia to invade more countries. Send Ukraine 🇺🇦 the tools to crush Russian savage barbarian scum and drive them out of Ukraine 🇺🇦 recapturing all illegally stolen properties and do it now.Russia need a massive dose of cumuppance on their territory curtesy of Ukraine 🇺🇦 , let Ukraine 🇺🇦 off the shackles and let them flatten Moscow and St Peters burg etc and see what the opinions or Russians will be then on an evil illegal war putin the deranged sub human Russian ogre piece of scum on legs started.

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