KWA Full Metal KM16 SR12 Custom Airsoft AEG (2GX 9mm Version) - Black

5.0 stars, based on 23 reviews


ID: 31647 (CG-E02-054)
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23 Customer Reviews

by jacob c. on 08/03/2015
"I own two of these rifles. I have owned many different brands and kwa has always delivered a rock solid product. I mainly sell Kwa in my shop simply because of the superior build quality and longevity of the products they make. The Sr12 is another fine example of the pride and integrity Kwa puts into their products.

They weight about the same as a real m16 so be prepared for that. I personally like the weight but I can see how others would prefer something lighter. Also they are more expensive than most rifles but you get more than your money's worth. I Strongly recommend this rifle.
by John Y. on 12/22/2014
"Thank god it is back in stock! This is absolutely one of the best airsoft guns I have ever had. It runs smooth and flawless. I love it and you will too. This gun is perfect for DMR set up.
by Brian T. on 03/16/2013
"I don't have this gun personally but my brother does, it is AMAZING. It is all metal which means no wobble in the frame at all. It hits hard and has a great rate of fire with a lipo.
very sturdy
all metal
hits hard
great ROF
great accuracy

the metal can make it a little tiring after a long day of airsoft.

Great gun and i would recommend it to everyone
KWA Full Metal KM16 SR12 Custom Airsoft AEG (2GX 9mm Version) - Black
Optics shown in images not included.

KWA Full Metal KM16 SR12 Custom Airsoft AEG (2GX 9mm Version) - Black

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 KM16 SR12 is the flagship of the KM4/16 series. It is the perfect DMR platform designed for range. The SR12 features 509mm inner barrel, 12" 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, fiber reinforced full stock with battery compartment for a wide range of battery sizes all the way up to a 9.6v NiMH 8 large cell battery pack.

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 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.


  • KWA 2GX full metal reinforced gearbox
  • KWA 2G high performance hopup bucking
  • Machined 12" free float rail system with full length Picatinny rails
  • Fiber reinforced polymer stock and motor grip
  • Aluminum alloy receivers
  • QD carrying handle
  • Adjustable front and rear sights
  • Flat top upper receiver
  • Adjustable hopup
Length: 1005mm
Weight: 6.5lbs
Inner Barrel: ~509mm
Magazine Capacity: 120rd Mid Cap. Compatible with KWA M4 / M16 Series Airsoft AEG Magazines
Muzzle Velocity: 330~350 FPS (Measured with 0.20g BBs)
Thread Direction: 14mm Negative
Gearbox: Ver 2 Full Metal, Fully Upgradeable
Motor: Long Type
Fire Modes: Semi/Full-Auto, Safety
Package Includes: Gun, Magazine, Manual
Battery: 9.6v 1600mAh small type recommended. Wired to rear w/ large Tamiya *small Tamiya adapter included (Battery not included)
Hopup: Yes, Adjustable

Manufacturer: KWA

Things you may need to get started:
    Battery and Charger – Required to power your AEG; use a high quality battery and charger for best results.

    Spare Magazines – Stay in the fight longer by bringing more ammo with you.

    BB’s – High quality precision 6mm BB’s recommended; Use 0.20g – 0.25g BB’s for best results.

    Silicone Oil – Basic cleaning and lubrication maintenance help keep your Airsoft AEG in top working order.
*Rifle comes with orange flash hider to comply with USA regulations.

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