KWA Airsoft KM4 KR9



The Promise

Millions of gun owners have turned to for the best information on all things guns. leads the industry with in-depth reviews, breaking news and top-notch gun sales and service. If you’re buying a gun, you won’t find a better level of service, support and knowledge than you do at .

KWA Airsoft KM4 KR9

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.

Caliber 6 mm
Magazine Capacity 350 rounds
Power Source
9.6v NiMh, 7.4v or 11.1v 15c Li-po/Li-Fe
Dim. / Wt Overall Length [Folded/Retracted]:
Overall Length [Extended]:
Outer Barrel Length:
Inner Barrel Length:
Inner Barrel Diameter:
730 mm
812.80 mm
279 mm
309 mm
6.05 mm
3.17 kg
Performance Rate Of Fire:
Energy Output with 0.20g BB:
13.7+ RPS
360-375 FPS
1.07 Joules
Special Features
  • Full metal alloy flat top upper receiver
  • Full metal alloy lower receiver
  • Adjustable Hop-Up
  • KWA 2GX gearbox
  • KWA 2G high performance bucking
  • Adjustable/Removeable front and rear sights
  • 5″ Free Float KeyMod Rail System – 4 Key
  • 6 position battery crane stock (wired to rear)
  • Semi and full auto select fire
  • Includes 2″ polymer rail segments (2)


There are no reviews yet.

Be the first to review “KWA Airsoft KM4 KR9”

Your email address will not be published.

Shopping Cart