KWA KM4 SR7 DEVGRU 2GX M4 Carbine AEG Airsoft Rifle (Black)
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Specifications:
Manufacturer: KWA
Model: SR7 DEVGRU 2GX M4
Muzzle Velocity: 350-360 FPS
Magazine Capacity: 120 rds
Color: Black
Package Includes: Gun, Magazine
- Battery and charger are NOT included.
- This gun does NOT come with an optic.
- 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: 350-360 FPS
- Magazine Capacity: 120 rds
- Fire Mode: Safe - Semi - Auto
- Color: Black
- Material: Metal
- Battery Pack: Not Included
- Package Includes: Gun, Magazine
- Stock Type: Crane Stock
- Handguard: Rail System
- Sight: Standard Triangle Front Sight, Removable Rear Sight
- Connector: Small Tamiya
- Internal
- Gear Box: KWA 2GX Gearbox
![](images/n_stars_5.png)
high rate of fire
durable
accurate
good for cqb and field
and well built
Pros:
many upgradable parts
fast trigger
accurate
takes lipos
Cons:
lil on the heavy side
cant do anything with the gearbox or else it messes up the gun and I did it professionally
![](images/n_stars_4.png)
I have had this gun for almost a year now and taken it to 6-8 battles and it has preformed pretty good! It is light and perfect for CQB, but I would not recommend it for field, the sr10 or sr12 would be good for field and this is CQB all the way. Also, CLEAN THE BARREL WHEN YOU GET THE GUN OR THE HOP UP WILL NOT WORK!
Pros:
Rate of fire is around 20 - 22 BPS
MID CAP mag is cool looking and holds 120 BB's
Light
Metal
Great for CQB
340 FPS
Cons:
Fire selector is a little too easy to move and sometimes changes when bumped. (could be a pro also)
Hop up is not the greatest, but will do.
Not good for Field.
![](images/n_stars_4.png)
This rifle is overall very good. I wouldn't recommend using this for engagements longer than 125 feet. The hopup is ok. It's not easily compatible with most hopups without a little bit of internal changing. The only real complaints I have about this is that the barrel nut is an extremely long process, and requires a lot of strength. I'm a decently strong guy and it took a good 40 minutes to take off.
Pros:
Superb trigger response, especially for stock internals.
Comes with a K120
Good shim job
Great gearbox
Heavy weight (could be a con for some)
New 2gx gearbox
Very sturdy
Nice trades on gun
Flash hider easy to remove
Lipo 'ready'. Wouldn't recommend using an 11.1 as the internals aren't that strong. IMO. 7.4 will be perfectly fine.
Cons:
Hard to disassemble
Parts aren't very compatible
Metal body, somewhat heavy. I think it's a good thing, but not all do
My echo1 Lipo does NOT fit into the crane stock. Not sure what they were thinking when designing that.
Heavy trigger pull
Barrel nut is ON there. Took a beating to take off
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how long is the RIS?
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3444 days ago Jesus M
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(I have this same question)
Staff Answer:
The KWA Sr7 uses a 7" Quad Rail RIS with a ~10.5" outer barrel. 3442 days ago 0
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1 answers 1 asked |
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Upgraded Inner Barrel
So I'm planning to buy the Knights Armament QD/CQB suppressor(the shorter one), and I'm looking for an upgraded 6.03 diameter inner barrel. What barrel would you recommend?
3448 days ago Isaac G
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(I have this same question)
Staff Answer:
The SR7 outer barrel is 10.5", and the QDC CQB barrel extension is 4.78" in length. Converted to millimeters, that is a total length of ~388mm. A standard length M4 363mm inner barrel would probably work best. 3446 days ago 0
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1 answers 1 asked |
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what style of motor
I want to get a new motor but first i need to know if its long short or what. and can i get a good recommendation on a motor that will increase rof and trigger response
3470 days ago Tyler B
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(I have this same question)
Staff Answer:
The KWA M4 series use Long Type motors as they are standard Version 2 Gearbox compatible. <BR><BR> That being said, modification to the gun will void the manufacturer/Airsoft GI warranty as changing the motor may also change the angle of engagement between the pinion and the bevel gear. <BR><BR> We have listed a few of the available motors below which our technicians favor for all platforms: <BR><BR> <a href="http://www.airsoftgi.com/advanced_search_result.php?keywords=tienly+motors+long&inc_subcat=&categories_id=&x=0&y=0&inc_subcat=1">Tienly Long Type Motors [Link]</a> <BR><BR> <a href="http://www.airsoftgi.com/advanced_search_result.php?keywords=lonex+long+motors&inc_subcat=&categories_id=&x=0&y=0&inc_subcat=1">Lonex Long Type Motors [Link]</a> 3470 days ago 0
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1 answers 1 asked |
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Buffer Tube?
Is the buffer tube mispec?
3474 days ago hudson w
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(I have this same question)
Staff Answer:
Yes, KWA uses Mil-Spec buffer tubes. 3474 days ago 0
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1 answers 1 asked |
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What battery is recommended for this gun
What battery is recommended for this gun?
3483 days ago Devin V
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(I have this same question)
I personally recommend an 11.1 volt lipo. That's what I've been running in mine for about a year, and I haven't ever had trouble with it. It gives you a 25+ RPS rate, much better than you'll get with a 9.6.
3447 days ago
Chris H
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What battery is recommended for this gun?
3483 days ago Devin V
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(I have this same question)
Staff Answer:
This gun has a Crane Stock/Polymer Handguard capable of accepting a Nunchuck style battery. As long as the gun is equipped with Small Type Tamiya Connectors, we would recommend:<br> <br> <a href="http://www.airsoftgi.com/product_info.php?products_id=7638">Tenergy 9.6v 1600mAh NiMH Crane Stock Battery</a><br><a href="http://www.airsoftgi.com/product_info.php?products_id=16041">D Power Universal Smart Charger</a><br> 3483 days ago 0
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2 answers 1 asked |
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16 rps on a 9.6? | 0 answers 2 asked |
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Silencer
I would like to put a mock silencer can I on this gun
3502 days ago Pedro C
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(I have this same question)
Yes. It has 14mm counterclockwise threads.
3219 days ago
Tyler A
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1 answers 1 asked |
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Functional bolt catch/release
Does this rifle feature a Functional bolt catch/release?
3577 days ago Johnnie L
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(I have this same question)
Staff Answer:
It does not 3573 days ago 0
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1 answers 1 asked |
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lipo
what is the maximum power lipo you can put in this gun
3587 days ago Trevor S
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(I have this same question)
I'm running an 11.1 volt lipo, and it works great. I've had it for a while, and the high power battery has never caused a problem.
3447 days ago
Chris H
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1 answers 1 asked |
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11.1v LiPo
What battery is recommended for this gun? Will a Tenergy 11.1v LiPo be too powerful?
3588 days ago Johnnie L
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(I have this same question)
The SR7 runs beautifully with that battery. I've been using an 11.1 for quite a while in my SR7, and it works great.
3447 days ago
Chris H
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1 answers 1 asked |
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what type of spring is in the gun and what is a weaker spring that can bring the fps under 400 | 0 answers 2 asked |
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what m203 will fit with this gun | 0 answers 1 asked |
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How can I change the fps to 400 and keep the rps the same?
I would get the sr10 but it is to big.
3645 days ago Jay M
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(I have this same question)
I have the SR7, I switched the type 2 (i think) cylinder out for a type 1. I also replaced the spring with a slightly stronger one. My FPS is running at about 374-376 with .25s, probably would be just over 400 with .2s. If you want the FPS to be 400, just replace the cylinder with a type 1. your RPS will still be 20+, especially with a lipo, which I would definitely suggest.
3447 days ago
Chris H
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1 answers 1 asked |
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How can I upgrade the FPS to 400 without decreasing the RPS.
I would get the sr10 but it is to big and I want a realistic size m4.
3645 days ago Jay M
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0
(I have this same question)
I have the SR7, I switched the type 2 (i think) cylinder out for a type 1. I also replaced the spring with a slightly stronger one. My FPS is running at about 374-376 with .25s, probably would be just over 400 with .2s. If you want the FPS to be 400, just replace the cylinder with a type 1. your RPS will still be 20+, especially with a lipo, which I would definitely suggest.
3447 days ago
Chris H
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I would get the sr10 but it is to big and I want a realistic size m4.
3645 days ago Jay M
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(I have this same question)
Get a high torque motor, a stronger spring, and maybe some better gears
3631 days ago
brian y
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2 answers 1 asked |
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When Will It Be Back
When Will It Be In stock, Less Thank A Month? I Really Want It !
3651 days ago Peter B
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(I have this same question)
Staff Answer:
We are working on getting more in stock 3651 days ago 0
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1 answers 1 asked |
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Whitch | 0 answers 1 asked |
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Mags
Will the elite force m4/m16 mid cap mags fit in this gun?
3687 days ago Matthew L
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(I have this same question)
Staff Answer:
they should 3686 days ago 0
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1 answers 1 asked |
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Would a Burst Wizard King Kong Super 2 Mosfet fit in this gun along with a Tenergy 9.6v 1600mAh NiMH Crane Stock Battery?
Would a Burst Wizard King Kong Super 2 Mosfet fit in this gun along with a Tenergy 9.6v 1600mAh NiMH Crane Stock Battery? I want to use one, but i'm not sure if there would be enough space in the stock for both to fit.
3689 days ago Garrett S
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(I have this same question)
Staff Answer:
It should be able to fit 3687 days ago 0
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1 answers 1 asked |
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If I was to use a 9.6v battery with this, what mah would you suggest?
If I was to use a 9.6v battery with this, what mah would you suggest?
3690 days ago Garrett S
0
0
(I have this same question)
Staff Answer:
9.6v 1600 mAh crane stock battery 3687 days ago 0
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1 answers 1 asked |
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What would be the best battery for this gun? | 0 answers 3 asked |
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What is the length and weight of this gun?
What is the length and weight of this gun?
3693 days ago Garrett S
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(I have this same question)
the weight of the gun is 6 pounds and the length of the gun is 28 in
3423 days ago
luke k
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1 answers 2 asked |
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stock iron sights
Is the front triangle iron sight removable, id like to put on flip up sights so that my optics view arent impeded
3703 days ago Ian P
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(I have this same question)
Staff Answer:
Yes it is removable. 3701 days ago 0
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1 answers 1 asked |
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Inner Barrel
If i added a 145mm barrel extension how long of an inner barrel should i get?
3708 days ago niklas S
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(I have this same question)
Staff Answer:
273 + 145 = 418. You would likely want a barrel 420mm maximum 3708 days ago 0
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1 answers 1 asked |
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Barrel extension | 0 answers 1 asked |
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Rail system
What is the name of this rail system and what company makes it
3723 days ago Cameron M
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(I have this same question)
Staff Answer:
It is the stock KWA rail system 3721 days ago 0
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1 answers 1 asked |
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Rail
What company makes this rail system and what is it called
3724 days ago Cameron M
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(I have this same question)
Staff Answer:
It is the stock KWA rail system 3722 days ago 0
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1 answers 1 asked |
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inner barrel lenght w/suppressor?
If I add a 6" suppressor, what lenght should my inner barrel be so that its just barely at the edge of the suppressor?
3732 days ago Eddymir L
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(I have this same question)
Staff Answer:
You should be able to fit a 363mm length inner barrel 3732 days ago 1
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1 answers 1 asked |
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What is the barrel diameter?
I want to know the barrel diameter to help me determine the accuracy and if a tightbore barrel is needed.
3735 days ago Peter G
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0
(I have this same question)
Staff Answer:
It should have a 6.05mm inner barrel 3734 days ago 0
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1 answers 1 asked |
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what type of motor
trying to find the specs so I can upgrade
3737 days ago linda F
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(I have this same question)
Staff Answer:
It is a stock KWA motor 3736 days ago 0
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1 answers 1 asked |
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Can most m4 mags go in it or is it to tight
Wasn't paying attention to what I was getting and accidentally bought king arms mags will it still work?
3759 days ago Max G
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(I have this same question)
Staff Answer:
Most brands should work 3757 days ago 0
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1 answers 1 asked |
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How well will this prerform in outdoor games?
I like to play in outdoor games, but also want to do cqb and an SR10 is too high for cqb, so i was wondering how well this gun will work in outdoor.
3799 days ago Scott B
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0
(I have this same question)
Staff Answer:
It's compact design is perfect for indoors. Excellent range if you choose to play outdoors. 3797 days ago 0
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1 answers 1 asked |
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What type of bbs would be good for this gun: 0.20g or 0.25g bbs?
I would like to figure out what type of bbs would be good for this gun.
3811 days ago Scot S
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(I have this same question)
As the gun shoots at 1.49 joules, .20 bbs would shoot at the stock feet per second found in the description, whereas .25 bbs would shoot anywhere from 300-350 fps. The heavier a bb is, the more accurate it will be because of the resistance to wind. Both are good bbs, but it depends whether you like accuracy or feet per second.
3758 days ago
Ian G
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1 answers 1 asked |
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Can this product http://www.airsoftgi.com/mobile/product_info.php?products_id=15748 fit inside the gun?
I want a better more accurate barrel for my gun. My fps limit for my local field is 365 fps. Is there anyway to get a new and better barrel without breaking that fps limit?
3811 days ago Scot S
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0
(I have this same question)
Staff Answer:
This barrel should fit.<br><br> Accuracy upgrades include the bucking, hop up, and nub. Please contact our customer service for further assistance in upgrading the accuracy of your gun.<Br><br> CUSTOMER SERVICE: 1(909)869-0671 PHONE HOURS: 09:00-17:30 PST (M-F) 3811 days ago 1
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1 answers 1 asked |
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How long is the
inner barrel?
3835 days ago Sam S
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(I have this same question)
Staff Answer:
The length of the inner barrel should be 273 mm. 3834 days ago 0
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1 answers 1 asked |
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How long is the inner barrel?
What would be a good inner barrel for this gun.
3837 days ago Sam S
0
0
(I have this same question)
Staff Answer:
The inner barrel is 273mm according to KWA's specifications. 3834 days ago 0
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1 answers 1 asked |
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Spring Decrease and a higher R.P.S.
What kind of spring should I use to make this gun within the limits of 330-350 fps? Also what would I need to upgrade the R.P.S on this gun?
3856 days ago Sean C
0
0
(I have this same question)
Staff Answer:
M100 should work okay. Increasing RPS may require a motor upgrade / battery upgrade. 3855 days ago 0
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1 answers 1 asked |
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Barrel Extension Possibilities for this weapon.
Does it have any threads to attach a barrel extension? and if not, can it be threaded?
3868 days ago Tony M
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(I have this same question)
Staff Answer:
This product will come with 14mm CCW threads. 3868 days ago 0
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1 answers 1 asked |
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