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

4.7 stars, based on 58 reviews


Model: AEG-KWA-SR10
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58 Customer Reviews

by Noah O. on 04/08/2015
"Awesome gun!!! I've had it for about a year now and run it dmr style but it's very versatile so you can run it basically how you want.

I have mine upgraded internally pretty heavily and it's shoots 225-250ft (keep in mind that mine is upgraded so it doesn't shoot that far stock)

Full metal
High quality internals
Hi rof
Feels good in your hands

Only shoots a little over 150 feet stock(which is fine for some people not for me)
Scratches easily
U don't have it

Overall I think it's a good gun and it has served me well
by Logan L. on 03/25/2015
"Even I, a diehard pistol shooter, have my own M4; it is a necessary piece of equipment for any and every player. I tend to keep this model handy in a rifle sheath, just in case the odds are stacked against my team and we need more firepower. I'm often found wielding this with one hand when we run into trouble.

It also holds its own as a DMR or sniper rifle, and can reach a target at 150 feet with ease. My SR10 is also outfitted with a powerful flashlight and a red dot sight, in addition to a 120-round polymer mid-cap magazine.

Since AEGs are not my strong suit, I haven't tampered with my SR10's internals. That isn't much of a problem, though, since the gun fires at roughly 390 fps with a 9.6v 1600 mAh battery and .20g BBs.

This assault rifle has seen the worst of the worst, the ugliest possible situations: Dense forest, high humidity, rain, intense heat and cold. Not a single piece of this gun has been damaged since I bought it back in October of 2011. Of course, there is the usual worn finish, but aside from that, this gun is built like a tank. Expect a long life of distinguished service from this reputable KWA product.

- High muzzle velocity and rate of fire
- Long range (Accurate at well over 100 feet in the hands of a good marksman)
- Ample space for a 9.6v battery, which is to be expected from an M4.
- High-performance 2GX gearbox
- Bountiful rail space; can add anything, from grenade launchers to PEQ boxes.

- Hard to say which mags fit with it. Be careful when choosing your spare mags.

Overall, this versatile gun is a must for any player's airsoft gun stockpile. For best results, add a KWA M93R to your loadout. Although it is a gas pistol, it is built with the same quality as the SR10, and proves to be a trustworthy sidearm should the impossible happen to this great AEG.
by Sim T. on 03/14/2015
"I am an airsoft tech and have worked on a few of these and they are amazing! I have never worked on a higher quality gun. One of my clients has significantly upgraded his for a long range sniper rifle and as such has replaced a few things such as the inner barrel (to a 650mm 6.03) and the hop-up (to a r-hop). This AEG is well worth the money and with a little customization you can use it for anything from CQB to sniper to support weapon. I highly recommend replacing the stock hop-up unit (or at least the bucking) as it wears out quickly and has preformance issues.

Can be modified to fit any role/play style
5 star internals (less the hop-up unit but thats an easy fix)
Amazing overall performance, especially accuracy and range
ROF (not too high but defidentaly not too low)

Initial FPS (300 w/M90) so a M110 or M120 spring upgrade is highly recommended
Hop-up unit performance is a little shaky, I would recommend an upgrade

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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