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


Model: AEG-KWA-SR10
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54 Customer Reviews

by derek h. on 01/10/2015
"The gun was good for about a month then there goes the hop up which should have lasted longer for a $350 gun. The kwa midcaps are also horrible they skip shots all the time and more bad things will come out of it in time
by Lucas H. on 01/04/2015
"I recieved this gun a couple days ago and I LOVE IT.

-Fantastic polymer and metal construction
- Extremely accurate
- Extremely Sturdy
- It feels great over all

- Does NOT come with a battery
by Ollie B. on 11/25/2014
"Alright i've owned this gun for about a year now and here are my final and honest thoughts about it with a cheaper but better alternative to it.

1) It's a pretty heavy gun (6.5lb)
2) the hopup chamber can't hop .25 bbs which is the weight kwa recommends
3) the only thing that makes this gun "lipo ready" are the 8mm ball bearings.
4) the bucking is a cheaper rubber and wears down after about 8,000 bbs.
5) the stock spring only shoots around 345 fps and only held it's tention for 2 months
6) the stock barrel is aluminum and not very accurate at 100ft out
7) the paint scratches off very easily if you're not careful

1) the rail system - just feels beefy and solid in your hand
2) the style of the D-Ring

In all honesty you are paying way too much money for this AEG. GO LOOK AT THE KRYTAC CRB!!!!!! less expensive, and pretty much the best stock AEG on the market. KWA really shows off with their gas guns but their AEG's are a joke for the price.

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.

This product was added to our catalog on Friday 18 September, 2009.

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