FN Light Window Pintle

7.62x51mm NATO
"FN Light Window Pintle"
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Taking advantage of its leading position in firearms design and manufacturing, FN Herstal started to expand its product portfolio by developing and producing integrated weapon systems for installation onto or into major aircraft types in the 1970s.

More than just selling weapon systems, FN Herstal develops the complete integration of the system together with the aircraft manufacturer or directly with the end user, supervises the installation of all its products and provides operator training as well as a high quality after-sales service to meet the customers' requirements.

FN Herstal's airborne pintle weapon systems features either a 7.62x51mm NATO FN MAG® 58M or a .50 cal FN® M3M (GAU-21) machine gun and can be door-, ramp-, window-, or externally positioned.


The FN Light Window Pintle Weapon System - or FN® LWP - includes the following:

  • a 7.62x51mm FN MAG® 58M machine gun with spade grips
  • a light pintle head - or FN® LPH - including a soft mount
  • a column located between the pintle head and the connection
  • a light window pintle connection (specific to the carrier)
  • a feeding kit including an ammunition box and a feed chute
  • an ejection kit including a links and cases collector and an ejection chute


  • Fully Safe and Reliable

    The FN® LWP is completely mechanical and does not require any external energy, allowing the gunner to fire and defend the crew even if power is lost onboard.

    The FN MAG® 58M fires in open bolt mode, preventing any cook-off risks and ensuring full safety and reliability.

    The FN® LWP features travel locks, azimuth and elevation stops for increased safety and a safety lever to prevent any accidental firing.

  • Easy to Control

    The FN MAG® 58M machine gun features spade grips for increased control.

    Additionally, the weapon is mounted on a soft mount that absorbs the recoil forces, ensuring outstanding balance and great comfort during firing.
  • Sustained Fire Capability

    High volumes of fire are guaranteed - 650 to 1,000 RPM (adjustable) - thanks to the open bolt firing mechanism that prevents any cook-off risks and a quick change barrel which can be replaced in a few seconds.
  • High Hit Probability

    The design of the mount and the positioning of the handles on the mount itself - and not on the weapon - account for outstanding balance during firing and hence, optimized accuracy.
  • High Ammo Capacity

    Standard ammo capacity is 250 rounds; however, 1,000 round boxes are also available.
  • Wide Angle Capability

    Depression, elevation and azimuth angles are all adjustable depending on the carrier configuration
  • Long Range Capability

    The FN® LWP features a basic anti-aircraft sight and can be equipped with various optional optical sights.


The FN Light Window Pintle Weapon System is able to fulfill the following missions:

      •  Suppressive fire against light armored vehicles
      •  Suppressive fire in landing zones
      •  Training

Every reasonable effort has been made to ensure that all product photographs, descriptions and specifications on this website are accurate. However, inadvertent errors may occur, and changes in design or materials, due to our continual effort to improve products, may result in some change in specifications before subsequent publications are issued. FN Herstal, S.A. reserves the right to modify or change specifications without notice.