KWA Full Metal KM4 SR10 Airsoft AEG (Newest 2GX 9mm Gearbox Version)

4.7 stars, based on 63 reviews


Model: AEG-KWA-SR10
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63 Customer Reviews

by Broderick W. on 09/24/2015
"I've had this gun for over a year now and it's been a great work horse. I put it through temps from 20 degrees to over 100 degree weather. I've dropped it, ran into things, and just put it through a lot but it hasn't broken at all externally. It's held up great internally for a year now. No problems what so ever. I use a tenergy 11.1v lipo and i get great trigger response and good ROF. It's got excellent range. I love the range so much I often change between DMR and assault. Lots of room for attachments as well. This would be a great main rifle for someone experienced or someone moving up in airsoft. Would not recommend this to a new/young player. Since it is full metal it is expensive and can be heavy for young players.
In short.

-Reliable/Long lasting
-Good ROF
-Great feel
-Lots of rail space
-No need to worry about upgrades
-Great hop up
-Crane stock is comfortable
-longer than M4 but shorter than an M16

-No spring tension release
-No bolt catch
-For an all day match it can get tiring to run around with it unless you have a vertical grip and sling.
-stock iron sights are ugly

All in all, I would recommend this gun. I've been very happy with it. It has preformed flawlessly and I've had 0 problems with is the most important thing to me since I've had a lot of JGs break on me and I was tired of it. So i bought myself a KWA. You should too.
by gabe d. on 09/21/2015
"awesome gun, had it for about 6 months now. not a single problem so far. very accurate and can take a hell of a beating.
by matthew h. on 07/07/2015
In my time playing Airsoft I have had many guns. But this is by far the greatest gun i have owned. The range and accuracy are superb along with the rate of fire. The ONLY con is the rail it can get a bit front heavy
5/5 should buy

KWA Full Metal KM4 SR10 Airsoft AEG (Newest 2GX 9mm Gearbox Version)

The second-generation KWA airsoft rifles feature over 30 structural improvements and performance upgrades, making them the top choice for professionals and serious enthusiasts.

The SR10 is a versatile weapon, easy to maneuver and potent enough to reach your targets from a safe distance. The SR10 features a 425mm inner barrel, 10" free floating rail adapter system, 2GX Gearbox, 2G High Performance Bucking, Quick Detach front and rear sights, flat top receiver, matte finish with individualized serial numbers, 6 position collapsible crane stock with two integrated battery compartments for nun-chuck style 11.1v Li-Mn batteries or 11.1v Li-Poly cell packs.

At the heart of every new KM4/16 series rifle is KWA's Second Generation Extreme (2GX) gearbox, designed to resist cold temperature failures. Structural reinforcement has been engineered into the shell strengthening the overall integrity of the gearbox especially in areas prone to failure. The new 2GX comes standard with six 9mm Spherical Bearings and Heat-Treated Precision Gear Sets offering flawless performance in all conditions.

Accuracy of the new rifles has been greatly enhanced with the introduction of the 2G High Performance Bucking. The new bucking utilizes a set of uniquely designed "Fins" that produce remarkable consistent performance shot after shot. All KWA inner barrels are now manufactured in Japan using the latest machining technology resulting in exceptional quality and increased performance.

Special Features:
  • Adjustable Hop-Up
  • 45 Days Product Warranty [US only]
  • Lifetime Tech Support

* Individual test results may vary depending on brand of bbs, and chronograph used.
** Results are based on tests conducted with 11.1v 1500mAh 15A LiPo batteries.
*** Orange tip flash hiders are required for all US sales or where applicable by law.

Disclaimer: Maximum recommended battery by KWA is 11.1V 15C 1600mah, to be under KWA warranty. Stronger batteries can be used, and will result higher performance and wear and tear, but is recommended for experienced players only. is not responsible for higher performance and higher wear and tear. We do offer all spare and CNC replacement parts for reinforcement, replacement and repair.

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