KWA KM4 RIS 2GX M4 Carbine AEG Airsoft Gun (Black)
[Q09B01][05631 / 104-01105]
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KWA is a well known airsoft manufacturer that has been creating high quality airsoft guns for some time. From airsoft electric guns to gas blow back airsoft guns, Engineered to Outperform, defines the quality of their products. Externally, the material they use is designed to withhold a serious amount of stress giving the gun the utmost durability. Internally, the parts used in their airsoft guns are matched to the highest degree for the smoothest operation over long periods of operation. Overall, their product truly performs on the field, KWA products stick to their motto, Engineered to Outperform.
The KWA Full Metal KM4 RIS Airsoft Gun is a beauty. The entire gun is a dull matte black color that doesn't reflect light nearly as much as the glossy black finish common on some KWA pistols. The entire gun is rock solid, from the stock to the flash hider, there is no unusual wobble whatsoever. The rail system is handsomely constructed and built to realistic specifications. The gearbox features 9mm ball bearings and heavy reinforcement to the front of the cylinder. KWA is a leader of innovative airsoft designs, this AEG is a magnificent display of their ingenuity and talent.
Specifications:
Manufacturer: KWA
Model: KM4 RIS
Muzzle Velocity: 400FPS
Magazine Capacity: 120 rounds
Color: Black
Package Includes: gun, mid capacity magazine
Features:
Extremely robust and high quality gearbox with 9mm bearings
Adjustable Crane stock
Full metal construction
Free float rail system
Please Note:
- Picture shown is a pre-production sample actual Production Model may vary
- Product does NOT include Scope, vertical grip, flashlight
- Product does NOT include Battery or Charger
- Product now includes a 120 round mid capacity magazine. It is recommend that you have a Speed Loader to effectively load the magazine.
- Specifications
- Manufacturer: KWA
- Muzzle Velocity: ~400FPS
- Magazine Capacity: 120 Rounds
- Fire Mode: Safe, Semi, Full-Auto
- Color: Black
- Material: Metal
- Battery Pack: Not Included
- Package Includes: One (1) KM4 RIS, One (1) Included Magazine
- Stock Type: Crane Stock
- Handguard: Rail System
- Sight: Standard Triangle Front Sight, Removable Rear Sights
- External
- Primary Build Material: Metal
- Internal
- Gear Box: KWA 2GX Gearbox

Biggest piece of garbage I've ever had the misfortune to buy. Came with a broken hop up and I am not paying to ship it back for repair. I'll buy a hop up and install it myself. Airsoft gi doesn't CARRY a two piece hop up, much better options for less money
Pros:
Full metal
Cons:
Expensive
Quality control is a joke

KWA Full Metal KM4 RIS 2GX AEG Airsoft Gun. I am stocked to finally have this gun. I was deciding between this and g&g because of their price point and alleged easier upgrade ability but after lots of research realized this is the better way to go. Fantastic gun that will not need any upgrades immediately and will still be one of the best guns on our field!
Pros:
Realistic
High quality
Comfortable in my hands
Sturdy
Just plain ol' mean!
Great kwa online support
Cons:
None so far but time will tell

KWA KM4 2GX.
I've had the gun for about 2 years now and have put well over 20000 rounds threw it... Sadly I found a few problems. The finish wont last on the outter barrel, the mag well, or theflash hider (assuming you didnt swap.it out) I also had to replace the trigger switch and battery connector (switched to deans), I also had to replace the slector switch and motor. Now, that may not sound like much, but it took forever to do, and was not cheap. That being said, it still rocked and it still works as well as it did when I bought it! With the right keep, lube and barrel cleaning... This gun will last for along time! Its got good weight, and is very strong, the ROF is good, about 35 with an 11.1Lipo battery, mine clocked in at 401 Fps, using .25s with an 9.6v battery.
Over all, Get this gun, its a good buy, lasts a long time, and parts are easy to get. Put a steel 6.01 barrel in it and.your done.
Pros:
-9mm ball barring gear box
-Solid build
-easy to add accsories
-easy to maintain
-Lipo ready
-Easy to take apart
-Easy to put together
-High ROF
Cons:
-Poor paint
-Spendy parts
-Stock wobbles
-Poor battery wire quality
-2GX Hop up unit creeps
-Stock barrel works, but I recomend a steel 6.01 bore barrel.
Over all the guns in my collection, I use this one the most, and I have to say, its never let me down, Get it! You wont be sorry!
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mags
Will dytac he mags work w/ this gun
3153 days ago Colton S
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(I have this same question)
Staff Answer:
They should 3153 days ago 0
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1 answers 1 asked |
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inner barrel length | 0 answers 1 asked |
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Outer Barrel
How long is the outer barrel?
3571 days ago Joseph P
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(I have this same question)
Staff Answer:
14.5" inches 3539 days ago 0
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1 answers 1 asked |
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front site come off?
does the front site come off without the rail coming off?
3633 days ago jason b
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(I have this same question)
Staff Answer:
No, if you wanted to remove the front sight, you would have to get a free float rail system 3633 days ago 0
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1 answers 1 asked |
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Rail?
How long is the rail interface system? in inches
3695 days ago Stephen P
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(I have this same question)
Staff Answer:
~7 Inches in Length. 3695 days ago 0
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1 answers 1 asked |
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MOSFET
Does it come reinstalled with a MOSFET?
3740 days ago Zach G
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(I have this same question)
Staff Answer:
No 3738 days ago 0
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1 answers 1 asked |
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wireing
Is this gun wired to the back crane stock?
3748 days ago Nicholas P
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0
(I have this same question)
Staff Answer:
Yes 3745 days ago 0
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1 answers 1 asked |
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Wiring
Front or rear wired?
3748 days ago Vince V
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(I have this same question)
Staff Answer:
Rear 3745 days ago 0
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1 answers 2 asked |
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Buffer Tube
Is the buffer tube on this rifle mil spec or commercial?
3757 days ago Andrew M
1
0
(I have this same question)
The buffer tube is mil-spec.
3644 days ago
Bryce P
1
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1 answers 2 asked |
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Carrying handle
Does this come with a carry handle or chopped sight?
3763 days ago Bryce P
1
0
(I have this same question)
Staff Answer:
It is a detachable iron sight 3762 days ago 0
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1 answers 1 asked |
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Rails
would i be able to change the rail to a noveske 11" keymod by taking off the triangle sight and placing the barrel nut on the gun?
3766 days ago Andrew M
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0
(I have this same question)
Staff Answer:
Yes 3764 days ago 0
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1 answers 2 asked |
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LIPO ready? | 0 answers 2 asked |
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the entire front wobbles, how do i fix this? | 0 answers 1 asked |
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Usage
What would be the preferred BB type for this gun? .20?
3807 days ago Justin W
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0
(I have this same question)
Staff Answer:
At least .25's 3807 days ago 0
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1 answers 1 asked |
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does this rifle have a two piece or one piece hop up? and if it does have a 2 piece hop up could it b replaced with a one piece?
Hop up unit
3840 days ago Jason J
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0
(I have this same question)
Staff Answer:
It cannot be replaced, it is the KWA two piece 3840 days ago 0
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1 answers 1 asked |
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What type of Motor?
What is the 'length' of the motor? Long, med, short?
3858 days ago Conner R
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(I have this same question)
Staff Answer:
Long 3857 days ago 0
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1 answers 1 asked |
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Rails
How long are these rails
3888 days ago Angeluz G
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(I have this same question)
Staff Answer:
7 inches 3888 days ago 0
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1 answers 1 asked |
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Length
How long is this outer barrel
3897 days ago Angeluz G
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(I have this same question)
Staff Answer:
14.5 inches 3896 days ago 0
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1 answers 1 asked |
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Stock.
Any idea when this might be back in stock?
3908 days ago Ryan N
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0
(I have this same question)
Staff Answer:
We are currently working to get these back in stock 3906 days ago 1
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1 answers 1 asked |
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Wiring
Is this wired to the back or front?
3913 days ago Ryan N
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0
(I have this same question)
Staff Answer:
Back 3912 days ago 1
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1 answers 1 asked |
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Would it hurt the gun to take the triangle front sight off?
Would it be ok to take that off and put a magpul flip sight on the rail?
3998 days ago Braden M
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0
(I have this same question)
Staff Answer:
You need something else to take place of the front sight, otherwise you rail will fall off. 3997 days ago 0
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1 answers 1 asked |
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Tight bore
What tight bore inner barrel will fit this gun with a MadBull Gemtech barrel extension on the gun?
3999 days ago Andrew H
0
0
(I have this same question)
Staff Answer:
Any tight bore inner barrel would be able to fit. If you are looking for the length, it would most likely be a 509mm. 3997 days ago 0
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1 answers 1 asked |
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would the standard M4/M16 mags work for this gun
The mags in the display photo look different then the M4/M16 mags I have
4004 days ago Daniel L
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0
(I have this same question)
Staff Answer:
most M4/M16 magazines should be cross compatible with the airsoft gun. 4002 days ago 0
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1 answers 1 asked |
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Battery Connector
What batter connector does this gun require? Mini, small, large etc?
4030 days ago Shaun M
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0
(I have this same question)
Staff Answer:
Small Tamiya. 4029 days ago 0
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1 answers 1 asked |
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Charging Connector
What charging connector is required for this gun? Mini, small, large etc.?
4030 days ago Shaun M
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0
(I have this same question)
Staff Answer:
This gun should have a small type connector. 4029 days ago 0
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1 answers 1 asked |
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What kind of battery should I buy for this gun?
What kind of battery should I buy for this gun?
4032 days ago Andrew T
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0
(I have this same question)
Staff Answer:
A 7.4V Lipo or a 9.6V NiMH should work. 4031 days ago 0
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1 answers 1 asked |
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What size of Inner Barrels will fit this gun?
Like 6.03mm and 400mm etc.
4034 days ago Richard K
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0
(I have this same question)
Staff Answer:
6.03mm 363mm barrels should work. 4031 days ago 0
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1 answers 1 asked |
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What specific flash hiders can fit on this gun?
I know the thread, I just heard that flash hiders cannot fit on this gun.
4034 days ago Richard K
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0
(I have this same question)
Staff Answer:
As far as we know, most flash hiders compatible with 14mm CCW should fit. 4031 days ago 0
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1 answers 1 asked |
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How high is the triangle front sight? | 0 answers 2 asked |
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How long is this gun?
Depends on how long it is for CQB or Field.
4036 days ago Richard K
0
0
(I have this same question)
Staff Answer:
This is a standard M4 length gun, which is 35" when fully extended, and 31.75" when retracted. 4035 days ago 0
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1 answers 1 asked |
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Whats the thread on this gun?
14 mm cw or 14 mm ccw
4037 days ago Alex H
0
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(I have this same question)
Staff Answer:
14mm CCW. 4037 days ago 0
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1 answers 1 asked |
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Preference | 0 answers 1 asked |
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Stock
When will this come back in stock?
4046 days ago jamal h
0
0
(I have this same question)
Staff Answer:
We're hoping to get this item back in stock as soon as we can. Currently, we don't have an ETA on its return 4045 days ago 0
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1 answers 1 asked |
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