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Specna Arms / Rock River Arms Licensed EDGE Series M4 AEG (Model: M4A1 Carbine / Black SA-E01)

ID: 90438 (AEG-SA-E01)
SA-E01 / SPE-01-023914-00
Specna Arms859188904385SA-E01 / SPE-01-023914-0090438
5.0 stars, based on 5 reviews
Specna Arms / Rock River Arms Licensed EDGE Series M4 AEG (Model: M4A1 Carbine / Black SA-E01)
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Specna Arms


MAP ProtectedExempt From Coupons
The manufacturer of this product enforces a strict minimum advertised price (MAP) policy which excludes this product from any additional discount coupon codes. This item, however, may qualify for free shipping.
Canada Export CompliantCanadaExport Compliant
This gun has a muzzle velocity rating (FPS) between 366 and 500, and is compliant for export to Canada.
Free ShippingNo Coupon Required
Free shipping within lower 48 US states, no coupon code needed!


  • Aluminum alloy upper and lower receiver with deep laser engraved Rock River Arms (RRA) logos
  • Scratch and weather resistant nano coating
  • Nylon fiber furniture
  • GATE X-ASR Mosfet
  • ESA™ quick spring change system allows the spring to be changed without the need to disassemble your gun
  • Rotary type hopup with 6.03mm tight bore barrel
  • 380 fps spring pre-installed from factory, optional 310 fps (M90) spring included to reduce muzzle velocity
  • New Orion Gearbox with reinforced shell and internals

FPS Range: 375-390

EDGE is a completely new line of AEG carbines in the Specna Arms family, designed to meet expectations of even the most demanding players. Manufactured under license of Rock River Arms, a well recognized American real firearms manufacturer takes Specna Arms brand to a higher level of realism and performance.

The heart of the EDGE models is brand new ORION Gearbox. It is based on the and equipped with a main spring release function. Straight from the box it has a number of high-quality parts improving the performance and is ready for further tuning.
Specna Arms EDGE carbines are equipped with the new type of the rotary Hop which results in very precise and stable adjustment of BBs overlocking.
Specna Arms EDGE carbines have a built-in MOSFET X-ASR system provided by GATE! This is a unique cooperation between the Polish manufacturer and the well-known airsoft guns manufacturers. The highest quality MOSFET X-ASR unit will ensure the safety of the components, increase the trigger response and extend the life of the electronics and battery.
EDGE line like the rest of Specna Arms series is equipped with a functional quick spring change system, that enables you to quickly adjust the muzzle velocity without the use of specialized tools and with no need of removing the Gearbox from the body.

Every element of the replica had been made and fitted with the utmost care for every detail. In addition, the body features a Nano Coating finish that prevents scratches. The body also bears deeply engraved Rock River Arms markings as well as an individual serial number further authenticated by an additional hologram. Details that deserve note also include the QD pistol grip that provides easy and rapid access to the motor without having to use tools as well as a double-sided loop for the attachment of a tactical sling.

Length: 800mm - 880mm (Adjustable)
Weight: 2660g
Inner Barrel: 363mm
Magazine Capacity: 125rds
Muzzle Velocity: 310~380 FPS (Measured with 0.20g BBs)
Thread Direction: 14mm Negative
Gearbox: Ver 2 Metal, Fully Upgradeable
Motor: Long Type
Fire Modes: Semi/Full-Auto, Safety
Battery: 7.4v / 11.1v Buffer Tube LiPo Battery Recommended (Wired to rear w/ DEANS connector. Battery and Charger not included. We recommend using only high quality batteries and smart chargers)
Hopup: Yes, Adjustable
Package Includes: Gun, Magazine, Manual

Manufacturer: Specna Arms

About Specna Arms

Specna Arms is a brand manufactured in Hong Kong. Our aim is to deliver high-quality, good-looking and reasonably-priced Airsoft replicas. We are constantly developing both technical and visual aspects of our products to offer our customers the best airsoft experience.

5 Customer Reviews

(Write a review)

by NICK D. on 12/06/2019
"just got this in and I'm extremely impressed. for what you get at that price point is amazing. ive ran about a couple hundred through it already. just needs a new bucking imo. everything else is great. weight,trigger response,rof,asthectics....etc.....cop you one before they go up!
by Connor P. on 10/16/2019
"To summarize, it's a good gun. Cheaper than anything that will match the quality, and higher quality than anything at the same price. I would recommend this gun for just about anyone that isn't looking to spend much on a gun. The 190-250 dollar range is just about the sweet spot for anyone getting into the hobby, but if it's too much, you can go with the cheaper Specna Core guns. Anyway, onto the pros/cons.

Has a whole suite of features, from the mosfet to the quick release spring, that for the most part won't be useful day to day, but are good to have. You can find them in the specs, so I won't list them all here.
Includes some good attachments right in the box. A second mag and a vertical grip, which are just nice to have. A second, lower powered spring is included for people that want to play indoors.
The gun uses an Rhop, which can be used to increase both the range and your accuracy, something that you can't usually find at this price.
The gun features a tightbore barrel, allowing for more accuracy.
The gun is just all around good. It has a good finish, has some heft to it, and just feels nice in my hands.

One of the included mid caps doesn't work with the gun. I don't understand why. Other mags work in the gun, and the mag works with other guns. Kind of sucks, but it doesn't matter that much.
No black tip was included in the box, and there isn't an easy way to cover the tip.
Gun is loud. That's not to say that other similar guns aren't, I just don't really love that.
by Jeff D. on 10/15/2019
"First Words: I ordered the gun after being on a hiatus of airsoft for around 4 years and did a ton of research on the different companies since, a lot has changed in those 4 years. I ended up going with an M4 AEG because of the easy platform and because I have owned one in the past.

Specific Model: SA-E09 (Half tan, doesnt matter)

Box Contents and Packaging: The packing was impressive from a mid $200 AEG was fantastic, this packing is what you would see on higher end replicas. Included is: 2x ~120rd Mid-Cap mags, 2x Deans to small tamiya plug (jnot sure why I got 2), Lanyard, multiple documents including a test chrono from SA themselves, A poster with around 30 or so different M4 replicas they make.

Externals: Evike claims that it is a RRA (Rock River Arms) licensed gun, however I did not receive those markings. Instead I got the standard EDGE series M4 (Not a big deal as the markings look to be the same laser engraving as the RRA markings.). Overall the gun is built very well and is full metal aside from the polymer stock, pistol grip, and flip up iron sights. The overall feel of the gun is extremely nice, no wobble except for the crane stock, but some electrical tape should fix that. The stock iron sights you get with the SA Edge is VERY STIFF. They will break in, just need to mess with the some.

Internals: I have not peaked inside the gearbox, as I have a firm belief that you shouldn't mess with something unless it isn't broken. However, the X-ASR mosfet is visible when installing your battery and the wiring used looks to be very high quality.

Performance: I have to say that with a .28 grab 6MM pro shop bb, this thing is insane! Getting solid groupings at 150 Feet, and the hop-up seems to be working perfectly with this weight BB. Trigger response and pull is very crisp and with a 11.1v Lipo the ROF is pretty standard. You shouldn't have a problem when it comes to playing the day you get it.

- Solid build
- Field and CQB FPS due to the 2 springs included.
- 2 Mid caps
- Solid range 150+ feet easy with a .28 gram BB

I could go on an on about the pros of this rifle....

Cons (Only 2 so far)
- No RRA trades :(
- Battery space is limited in this crane stock due to the mosfet. I am currently using a F-con-energy 11.1v Lipo and its a snug fit. This could be a pro since there is not wobble. But you have to be very careful with the stock when retracting.

Final Thoughts: The gun overall is incredible. With a little tweaking, and some breaking in this will be one of if not the best $180-250 guns on the market. When people say this gun is solid, they mean it. SA have really out done themselves when it comes to this rifle.

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