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KWA KM4 SR7 DEVGRU M4 Mk18 Mod 0 CQB AEG Airsoft Rifle

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KWA KM4 SR7 DEVGRU M4 Mk18 Mod 0 CQB AEG Airsoft Rifle

Quick Overview

Full metal, 350-370 FPS, free float rail, crane stock, 9mm gearbox

Regular Price: $309.00

Special Price $154.50

Out of stock



The KWA SR7 DEVGRU is an electric airsoft gun in KWA's Milsim series of AEGs. The SR7 features a free float rail system and a shorter barrel, ideal for CQB.

All KWA KM4 airsoft guns feature the new 2GX gearbox and hop-up bucking. KWA's lipo ready design is one of the strongest gearboxes in any airsoft gun. 9mm ball bearings provide efficient operation and excellent reliability. Elsewhere, the 2GX Gearbox is reinforced for longevity, and features a bearing spring guide and aluminum piston head.

KWA KM4 SR7 DEVGRU CQBR Airsoft Gun Features:

-KWA 2GX Gearbox
-KWA 2G High Performance Bucking
-Full metal construction
-Adjustable front and rear sight
-Free Float MIL-SPEC-1913 [Picatinny] Rail Adapter System
-Removable rear sight
-6 position collapsible stock with integrated battery compartment
-Flat top receiver
-Semi and Full Auto
-Adjustable Hop-Up
-45 Days Product Warranty [US only]
-Lifetime Tech Support

-Length Retracted: 711mm
-Length Extended: 787mm
-Inner Barrel Length: 273 mm
-Magazine Capacity: 120 Round K120 Midcap Magazine
-350-370 FPS with .20g BB
-Weight = 3040g


KWA Automatic Electric Airsoft Guns, or AEGs, run on KWA's famed 2GX gearbox. This reinforced V2 gearbox houses 9mm ball bearings, hardened steel gears, and a bearing spring guide and aluminum piston head. The 2GX gearbox is known for performance and reliability, putting out over 20 rounds per second on a lipo battery. Each KWA AEG replica is constructed with realism and attention to detail. You can see all the KWA Automatic Electric Airsoft Guns, or check out other KWA Airsoft Guns. KWA is the choice for those looking for performance airsoft guns for gaming or training.


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Founded in 2004, Airsoft Outlet Northwest (AONW) is the leader in quality airsoft and tactical gear in the Pacific Northwest. We're dedicated to providing the best service and products for our customers! We believe in honest and fair treatment of our customers while delivering superior value at a reasonable cost. That's why we offer the best warranty in the industry by providing in house warranty service on many quality brands like Classic Army, G&G, TopTech, and Echo-1. If you buy from us then you can rest assured knowing that you'll be taken care of.