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  • 29995

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The KeyMod universal interface system is a new innovation in the firearm industry used for weapon ergonomics and mounting tactical accessories. The KeyMod design was developed by VLTOR Weapons Systems and was open to the public domain by Noveske Rifleworks for all manufacturers to use.

KWA recognizes the benefits of this new design which allows for a wide range of accessory flexibility and weight reduction when compared to traditional quad rail systems and are proud to announce the KR KeyMod Weapons Platform. The KR series have been produced in several different lengths to accommodate a variety of needs.


  • Manufacturer: KWA USA
  • Model: KM4 KR12
  • Caliber: 6mm
  • Magazine Capacity: 120rd
  • Power: 9.6v NiMH, 7.4v or 11.1v 15c LiPo/LiFe (NOT INCLUDED)
  • Velocity: 380 -410 FPS
  • Rate of Fire: 17+ RPS
  • Weight: 7.0lbs
  • Length: 33.4" -36.9"
  • Outer Barrel Length: 16"
  • Inner Barrel: 6.05ID 426mm


  • Full Metal alloy flat top upper reciever
  • Full Metal alloy lower reciever
  • Adjustable Hop-up
  • KWA 2GX Gearbox
  • KWA 2G High Performance bucking
  • Adjustable/Removable front and rear sights
  • 12" Free Float Keymod Rail System -13 Key
  • 6 Positon Battery Crane Stock (wired to rear)
  • Semi and Full Auto Select Fire
  • Includes 2" Polymer Rail Segments X2

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