Fn Mk 46 Mod 1


Mk46 Machine Gun Specs

  • Caliber: 5.56x45mm NATO
  • Operation: Open-bolt
  • Weight: 15.44 lb.
  • Barrel Length: 16.3″
  • Overall Length: 36.22″
  • Effective Range: 800m, point target
  • Maximum Range: 1,800m
  • Rate of Fire: 730 RPM
  • Height: 9.33″
  • Trigger Pull: 7.87 – 15.7 lb.


Fn Mk 46 Mod 1 , Fn Mk 46 Mod 1 For Sale Online

The 5.56x45mm Fn Mk 46 Mod 1 is the lightweight U.S. special operators’ variant of the Fn M249 Saw.

The MK 46 MOD 1 incorporates improved receiver pins, a feed tray with retention pawls, a vented hand guard with an enhanced heat shield, and three MIL-STD-1913 rails. The MK 46 MOD 1’s cold hammer-forged MIL-SPEC barrel has a hard-chromed bore for longer life and improved accuracy and serves as the mounting point for the carry handle.

The receiver is formed from steel and is equipped with a top-mounted MIL-STD-1913 optical rail. A hydraulic buffer greatly reduces recoil, helping the operator keep more rounds on target. The cross-bolt safety and curved trigger help enhance operator control. Includes one spare barrel.

Mk46 Machine Gun Product Features


Changeable barrel

The matte black non-reflective finish on all surfaces

Lightweight titanium bipod


Mk46 Machine Gun RECEIVER

Formed steel frame

Claw extractor design

Fixed, pivoting ejector plus side ejection of cases

Top cover integrated MIL-STD-1913 mounting rail for sighting systems


Mk46 Machine Gun BARREL

Cold hammer-forged steel

Hard chrome-plated bore and chamber



Highly ergonomic polymer buttstock  assembly with hydraulic recoil buffer system and non-slip buttplate

Optional rotating, telescoping metal buttstock assembly with hydraulic recoil buffer system and non-slip buttplate



Crossbolt safety button

Curved trigger for improved finger position and control in rapid-fire

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