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Fabrique Nationale FN SCAR (Mk 16 / Mk 17)

Modular Automatic Assault Rifle

United States | 2009

"The FN SCAR entered limited service in 2009 and serves with special forces units belonging to the United States, Britain, Germany, Malaysia, France and others."

Authored By: Staff Writer | Last Edited: 08/10/2023 | Content ©www.MilitaryFactory.com | The following text is exclusive to this site; No A.I. was used in the generation of this content.
The Fabrique Nationale FN SCAR (Special forces Combat Assault Rifle) will feature prominently in the future of the United States Army. It is designed as a modular weapons system from the get-go, meaning that she can be modified to suit the operators' interests and the mission at hand by way of adaptable rail systems and interchangeable barrels and components. Couple this with the SCAR's innovative short-strike, gas-operation and the automatic rifle is one of the more advanced and adaptable operational rifles in the world. The SCAR family will consist of two major production variants made up of the MK16 in 5.56mm (SCAR-L, Mk 16 Mod 0) form and the MK17 in 7.62mm (SCAR-H, Mk 17 Mod 0) form. The SCAR was selected by SOCOM (Special Operations COMmand) to replace the long-standing Colt M4A1 modular automatic rifle. An initial contract valued at $634,390 was awarded to the Belgium firearms firm of Fabrique Nationale on November 4th, 2004, with manufacturing to be handled by FN Herstal USA of Columbia, South Carolina.

The SCAR initially faced off in a July 2007 "future assessment" competition held by the United States Army. The weapon was pitted against the existing M4 Carbine, the impressive Heckler & Koch HK416 modular system and the previously-forgotten Heckler & Koch XM8 developmental combat rifle. The SCAR came in second to the XM8 but bested the HK416 and M4 Carbine in the 60,000 rounds of ammunition that were test-fired.

In 2008, the FN SCAR was yet again the object of attention, this time competing against four other rifles in the United States Marine Corps Infantry Automatic Rifle (IAR) competition. The competition sought to fulfill a requirement for a new squad automatic/light automatic rifle. The SCAR proved its mettle and was selected for an initial purchase batch of 6,500 examples to be delivered over a span of five years. This particular form of the SCAR rifle was of note for its use of a mixed open-closed bolt operation - the first of its kind in the SCAR family line.

The SCAR was fielded in an initial batch of 600 weapons sometime in April of 2009 for use under the SOCOM banner. These were given to the 75th Ranger Regiment special forces group for in-the-field, live fire evaluation of the SCAR system through all aspects of warfare. In all, some 1,800 are expected to be delivered.

The SCAR features a short-stroke, gas-operated piston operation. Her upper receiver is made of aluminum. The barrel sports a free-floating action within the upper receiver and is available in varying lengths depending on the operator's needs (10-, 13-, 14-, 16-, 18- and 20-inch barrel lengths are provided). The lower receiver is constructed of light-weight, heavy-duty polymer. The system breaks down into five major components comprised of the magazine, the lower receiver, the buttstock assembly, the bolt carrier group/upper receiver and the frame/barrel component.

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The SCAR 16 series will include three subvariants making up the family line. These are designated as the SCAR 16 CQC, SCAR 16 Standard and the SCAR 16 LB. She is a selective fire weapon system with three available free-floating barrel lengths and are chambered to fire the 5.56x45mm NATO standard cartridge from a curved STANAG 30-round M16-style magazine. Each is fitted with the A2 series flash suppressor and all controls are said to be ambidextrous. The SCAR 16 line makes use of the MIL-STD-1913 optical rail and showcases a further three more rail systems for the addition of accessories such as laser sights and flashlights. The stock, made of polymer, can fold over the side of the receiver for an even more compact fitting. Visual differences between the three automatic rifles are subtle with the barrel protrusion being the most defining characteristic. The SCAR 16 CQC features a stubby barrel system capped by the flash suppressor while the SCAR 16 LB sports the longest barrel length of the three. Approximate barrel lengths for the SCAR 16 series are 10-, 13.8- and 18-inches.

The SCAR 17 series includes the SCAR 17 CQC, SCAR 17 Standard and the SCAR 17 LB variants. These are all chambered to fire the longer-range 7.62x51mm NATO standard cartridge from a straight 20-round magazine. Like the MK16 group, the SCAR 17 will feature three free-floating barrel lengths, the A2 flash suppressor, the MIL-STD-1913 rail system and three additional accessory rails. The polymer buttstock will be foldable over the side of the receiver as in the MK16 and feature adjustable settings. All controls will be ambidextrous. As in the MK 16, the most discernable difference between the three MK17 rifles will be barrel lengths, led by the short SCAR 17 CQC and trailed by the long-barrel SCAR 17 LB. Approximate barrel lengths for the SCAR 17 series are 13-, 15.7- and 19.7-inches.

The SCAR is intended to replace the M4A1 carbine, the MK11 sniper, MK12 SPR, MK14 sniper and MK 18 CQBR rifles in service with SOCOM. It may also be marketed in a police and civilian guise as the 16S(Light) and 17S(Heavy). Production of these particular systems will be handled at a plant in Fredricksburg, Virginia. However, according to the FNH USA website, the SCAR family is currently only available to military and law enforcement services.

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Performance specifications presented assume optimal operating conditions for the Fabrique Nationale FN SCAR (Mk 16 / Mk 17). Information presented is strictly for general reference and should not be misconstrued as useful for hardware restoration or operation.
2,870 ft/sec
875 m/sec
Muzzle Velocity
The physical qualities of the Fabrique Nationale FN SCAR (Mk 16 / Mk 17). Information presented is strictly for general reference and should not be misconstrued as useful for hardware restoration or operation.
351 mm
13.82 in
Barrel Length
7.89 lb
3.58 kg
Gas-Operated; Rotating Bolt
5.56x45mm NATO; 7.62x51mm NATO
20- (Mk 17) or 30-round (Mk 16) box magazine
Optional Optics and Accessories
Notable series variants as part of the Fabrique Nationale FN SCAR (Mk 16 / Mk 17) Modular Automatic Assault Rifle family line.
Mk 16 - Chambered for the 5.56x45mm NATO cartridge; firing from a 30-round STANAG style magazine.
Mk 17 - Chambered for the 7.62x51mm NATO cartridge; firing from a 20-round straight magazine.
SCAR 16 CQC - Short Barrel Mk 16.
SCAR 16 Standard - Base Model Mk 16.
SCAR 16 LB - Long Barrel Mk 16.
SCAR 17 CQC - Short Barrel Mk 17.
SCAR 17 Standard - Base Model Mk 17.
SCAR 17 LB - Long Barrel Mk 17.
SCAR-L, Mk 16 Mod 0 - Formal US Army designation of the Mk 16.
SCAR-H, Mk 17 Mod 0 - Formal US Army designation of the Mk 17.
Global customers who have evaluated and/or operated the Fabrique Nationale FN SCAR (Mk 16 / Mk 17). Nations are displayed by flag, each linked to their respective national small arms listing.

Contractor(s): Fabrique Nationale (FN Herstal) - Belgium / USA
National flag of Belgium National flag of Bosnia and Herzegovina National flag of Chile National flag of France National flag of Finland National flag of Georgia National flag of modern Germany National flag of India National flag of Iraq National flag of Italy National flag of modern Japan National flag of Lithuania National flag of Malaysia National flag of Peru National flag of the Philippines National flag of Poland National flag of Portugal National flag of Serbia National flag of South Korea National flag of Thailand National flag of Turkey National flag of the United Kingdom National flag of the United States

[ Belgium; Bosnia and Herzegovina; Chile; Finland; France; Germany; Georgia; Honduras; India; indonesia; Iraq; Italy; Japan; Kenya; Lithuania; Malaysia; Nepal; Peru; Philippines; Poland; Portugal; Serbia; South Korea; Thailand; Turkey; United Kingdom; United States ]
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Image of the Fabrique Nationale FN SCAR (Mk 16 / Mk 17)
Image from the United States Department of Defense.
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Image of the Fabrique Nationale FN SCAR (Mk 16 / Mk 17)
Image from the United States Department of Defense.
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Image of the Fabrique Nationale FN SCAR (Mk 16 / Mk 17)
Right side views of the Fabrique Nationale FN SCAR-16 and SCAR-17 Standard automatic rifles

Going Further...
The Fabrique Nationale FN SCAR (Mk 16 / Mk 17) Modular Automatic Assault Rifle appears in the following collections:
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