FN FNS
TypeSemi-automatic pistol
Place of originUnited States
Production history
Designed2011[1]
ManufacturerFN America
Produced2011–2018[1]
VariantsSee Variants:
Specifications
Mass
  • 25.2 oz (710 g) (FNS-9)[2]
  • 26.5 oz (750 g) (FNS-9 Long Slide)[3]
  • 23.4 oz (660 g) (FNS-9 Compact)[4]
  • 27.5 oz (780 g) (FNS-40)[5]
  • 29.7 oz (840 g) (FNS-40 Long Slide)[6]
  • 25.8 oz (730 g) (FNS-40 Compact)[7]
Length
  • 7.25 in (184 mm) (FNS-9)[2]
  • 6.7 in (170 mm) (FNS-9 Compact)[4]
  • 7.25 in (184 mm) (FNS-40)[5]
Barrel length
  • 4 in (102 mm) (FNS-9)[2]
  • 3.6 in (91 mm) (FNS-9 Compact)[4]
  • 4 in (102 mm) (FNS-40)[5]
Width
  • 1.55 in (39 mm) (FNS-9)[2]
  • 1.35 in (34 mm) (FNS-9 Compact)[4]
  • 1.55 in (39 mm) (FNS-40)[5]
Height
  • 5.5 in (140 mm) (FNS-9)[2]
  • 5.2 in (130 mm) (FNS-9 Compact)[4]
  • 5.5 in (140 mm) (FNS-40)[5]
Cartridge
Barrels
  • 1 in 10" RH Twist (FNS-9)[2]
  • 1 in 16" RH Twist (FNS-40)[5]
ActionShort recoil operated, locked breech. tilting barrel
Feed systemDetachable box magazine; capacities:
  • 17 rounds (FNS-9)[2]
  • 12 rounds (FNS-9 Compact)[4]
  • 14 rounds (FNS-40)[5]
SightsThree-dot combat sights (standard or night)

The FN FNS pistol is a series of striker-fired semi-automatic, polymer-framed pistols manufactured in Fredericksburg, Virginia, by FN America, a division of Fabrique Nationale Herstal.[8] The pistol is chambered for the 9×19mm Parabellum and .40 S&W cartridges.

Design details

The FNS pistol is based on the FN FNX.[1] The FNS has similar ergonomics to the FNX but introduces a double-action, striker-fired functionality.[9][10]

Operating mechanism

Like other FN pistols, the FNS is a short-recoil-operated pistol. It is a pre-set striker fired semi-automatic pistol, meaning the trigger system is of the hammerless short double-action-only type. The trigger pull is between 25 N (5.6 lbf) and 35 N (7.9 lbf).[2]

All variations also include a hammer-forged stainless steel barrel, Picatinny rail, fixed three-dot combat sights (standard or night sights), and a loaded chamber indicator on the right side.[11]

Standard features

The FNS series of the pistols all include ambidextrous magazine releases, and slide stop release levers.[11]

Safety

The FNS has four standard safety features:

  1. A trigger safety, similar to that seen on a Glock, which prevents the weapon from discharging without pressure on the trigger.[11]
  2. A firing pin safety which prevents the striker from hitting the primer without the trigger being pulled.[11]
  3. A drop safety which prevents the sear from rotating to release the striker unless the trigger is pulled.[11]
  4. An out-of-battery safety which prevents the sear from releasing the striker if the slide is not fully forward.[11]

As a fifth safety feature, the FNS pistols can also have an optional manual safety.

Variants

A "long slide" version, known as the FNS-9LS and FNS-40LS, was introduced in 2012 designed in partnership with the Baltimore County Police Department specifically for the department.

A compact version, known as the FNS-9C and FNS-40C, was introduced in 2015. The compact version comes with two short magazines. One has a "pinkie rest" baseplate while the other has a flat baseplate. Magazine capacity for the 9mm version is 12 rounds and for the .40 S&W version is 10 rounds. The compact versions can also use full size magazines with the addition of a removable grip sleeve.

A full size 9mm pre-loaded striker pistol, known as the FN 509, was introduced in early 2016 with it being part of the XM17 Modular Handgun System competition. It was released for public sale in 2017. It is fully ambidextrous and comes in two versions, one version having manual safety and another without it. It also comes with a Picatinny rail for various attachments.[12]

All versions are available in two finishes: a standard black finish featuring a dark colored/nitrided slide and matte black frame or a two-tone finish featuring a silver colored stainless steel slide and matte black frame.[2][5] At least one variant, the FNS-9C (compact) is available in solid dark earth coloration.

Malfunction controversy

In 2015, officer Richard Vankeuren, a 20-year veteran of the Arizona Department of Public Safety, bumped his holstered FN FNS-40 into a bag he was carrying and the weapon went off, shooting him in the leg. The investigation concluded that a part of the bag had been tangled in the trigger, causing the firearm to go off. However, in 2018, the state began testing the weapons further. The tests concluded that the pistols were capable of firing with the slide not fully in battery, and also that they could discharge if tapped. The pistols were even observed to fire upon the simple impact resulting from re-holstering. This was the result of the trigger not resetting properly and the safeties failing to engage.[13]

That same year, the Baltimore County Police Department claimed that they had encountered their own problems with their own FNS-40-L pistols firing when bumped. The Baltimore police also claimed that they had encountered three separate incidents of the roll pin in the frame breaking, causing the trigger to completely fall out of the firearm. The Arizona Department of Public Safety shared their testing results with the Baltimore County Police. On October 30, 2018, Baltimore County Police Chief Terrence Sheridan issued an Emergency Justification for a Replacement Service Weapon.

FN immediately addressed this by replacing the striker with a newer, improved design in each FNS-40 for both the Arizona DPS and the BCPD, at no cost to either agency. FN also posted a Service Bulletin to the public with an offer of a free striker upgrade for those who wished to send their pistol in. FN also said that the malfunctions had only been observed in a lab environment, and that the malfunctions can only be replicated in FNS pistols manufactured before February 12, 2017. FN did, however, maintain that the FNS design was thoroughly tested and that the situations that result in the misfires were unique and unlikely, and therefore did not initiate a recall. FN also claimed that the trigger pin is a part that requires periodic maintenance, and that in all three cases, the firearm was quickly reassembled.[14][15]

When the dust settled, both the Arizona DPS and the BCPD made the decision to replace their FNS designs. Both the Arizona DPS and the BCPD went from the .40-caliber FNS-40 to the 9mm Glock 17.[16] However, according to Arizona DPS spokesman Bart Graves and state trooper Kameron Lee, the decision to switch from the FNS to the Glock was made not because the department was unhappy with the pistols, but because FN had informed them that the company planned to discontinue the FNS that same year. Officer Lee claimed "We found an issue, FN fixed it, no guns we are carrying are faulty". Indeed, in 2019, FN discontinued the FNS in favor of the improved FN 509.[13][17] However, FN will still honor the FNS striker replacement, regardless of if the owner of the firearm is its original owner.

Users

References

  1. 1 2 3 "FNS Series". FNH USA. Archived from the original on 20 January 2013. Retrieved 19 December 2012.
  2. 1 2 3 4 5 6 7 8 9 10 "FNS-9". FNH USA. Archived from the original on 15 January 2013. Retrieved 19 December 2012.
  3. 1 2 "FNS-9 Long Slide". FNH USA. Archived from the original on 27 December 2014. Retrieved 8 January 2015.
  4. 1 2 3 4 5 6 7 "FNS-9 Compact". FNH USA. Archived from the original on 7 January 2015. Retrieved 8 January 2015.
  5. 1 2 3 4 5 6 7 8 9 "FNS-40". FNH USA. Archived from the original on 20 January 2013. Retrieved 19 December 2012.
  6. 1 2 "FNS-9 Long Slide". FNH USA. Archived from the original on 24 December 2014. Retrieved 8 January 2015.
  7. 1 2 "FNS-40 Compact". FNH USA. Archived from the original on 2 January 2015. Retrieved 8 January 2015.
  8. ↑ "About Us". FNH USA. Archived from the original on 3 January 2013. Retrieved 19 December 2012.
  9. ↑ Gao, Charlie (18 May 2019). "Forget Glock: Could This Gun Be the One To Take On the Firearm Champ?". nationalinterest.org. Retrieved 13 March 2020.
  10. ↑ "FNS Series". fnamerica.com. Retrieved 13 March 2020.
  11. 1 2 3 4 5 6 "FNS-9". FN Herstal. Retrieved 19 December 2012.
  12. ↑ DefenseWebTV (22 November 2017), Milipol Paris 2017 News Internal State Homeland Security Police exhibition France Day 2, retrieved 24 November 2017
  13. 1 2 "After discovering critical flaw in gun, DPS quietly replacing guns issued to all troopers". 22 April 2019.
  14. ↑ "FN America, LLC Response to Baltimore County Police Department Statements on FNS™-40". 3 January 2019.
  15. ↑ "FNS Service Bulletin".
  16. ↑ "Baltimore County Police to Replace FNS-40 with Glock 17 Following Accidental Discharges -". February 2019.
  17. 1 2 "Arizona Department of Public Safety replaces malfunctioning weapons". 23 April 2019.
  18. ↑ "Baltimore County Police Department Adopts FN FNS-40 LS as Duty Pistol".

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