Matrix / S&T Sportsline M4 RIS Airsoft AEG Rifle w/ G3 Micro-Switch Gearbox (Model: Dark Earth RIS 9" / Go Airsoft Package)
436 Customer Reviews
by Samuel M. on 11/28/2025
"Alright I wanted to do an updated review on some modifications I did to it and how it is the craziest gun I have ever fired!
As a stand alone the RPS and FPS is amazing and performs very well!
After my modifications/upgrades it is 10 times better!!!!!!!
Here are my upgrades (Internal)
1. 450 FPS spring
2. T238 CNC 13:1 Gears
3. 30k Matrix 3000 Motor (Crazy strong!)
4. Perun V2 Hybrid MOSFET
5. Speed Trigger
6. 11.1v battery (Not upgrade but way better than below 11.1v LiPo's)
7. I use .25g - .28g and better accuracy
8. 4UAD Bucking and Nub
9. Lancer Tactical Hop-Up (It's actually good lol)
Upgrades (External)
1. ******Acetech Blaster Tracer Unit******
2. JG Foregrip
3. 2-point Sling
4. Red dot, scope (Both on Amazon)
5. Toughsoul Laser/light combo
6. 1100rd Mag (Evike)
7. Barrel/Tracer extension
******Oh my goodness the hassle I went through to install this was crazy, not the tracers fault it's the best! But the gun I got the 9-inch CQB which I love and am glad I got but the suppressor built in made it a little hard to install. I had to buy thread adapters which took awhile but totally worth it I would definitely buy the Carbine 12' just in case you choose to buy a tracer which you totally should!*********
Summary:
RPS increased from around 20 - 32 RPS!
FPS increased from 400 - 446 FPS!
And the weight increased form 6lbs - 10lbs lol!
Great upgrades and responsiveness (Thx Perun!) Totally should get one of these models, the ETU/MOSFET it comes with is already not bad and the gearbox is great for beginners and pros alike! Great gun, I can't rejoice over it enough!
As a stand alone the RPS and FPS is amazing and performs very well!
After my modifications/upgrades it is 10 times better!!!!!!!
Here are my upgrades (Internal)
1. 450 FPS spring
2. T238 CNC 13:1 Gears
3. 30k Matrix 3000 Motor (Crazy strong!)
4. Perun V2 Hybrid MOSFET
5. Speed Trigger
6. 11.1v battery (Not upgrade but way better than below 11.1v LiPo's)
7. I use .25g - .28g and better accuracy
8. 4UAD Bucking and Nub
9. Lancer Tactical Hop-Up (It's actually good lol)
Upgrades (External)
1. ******Acetech Blaster Tracer Unit******
2. JG Foregrip
3. 2-point Sling
4. Red dot, scope (Both on Amazon)
5. Toughsoul Laser/light combo
6. 1100rd Mag (Evike)
7. Barrel/Tracer extension
******Oh my goodness the hassle I went through to install this was crazy, not the tracers fault it's the best! But the gun I got the 9-inch CQB which I love and am glad I got but the suppressor built in made it a little hard to install. I had to buy thread adapters which took awhile but totally worth it I would definitely buy the Carbine 12' just in case you choose to buy a tracer which you totally should!*********
Summary:
RPS increased from around 20 - 32 RPS!
FPS increased from 400 - 446 FPS!
And the weight increased form 6lbs - 10lbs lol!
Great upgrades and responsiveness (Thx Perun!) Totally should get one of these models, the ETU/MOSFET it comes with is already not bad and the gearbox is great for beginners and pros alike! Great gun, I can't rejoice over it enough!
by Matthew H. on 11/26/2025
"This is a fantastic gun. I got this several years ago as an inexpensive step-up from my beginner gun, and I've been running it ever since. I have the 350 fps M4A1, and a second one as an extra. I have put a couple hundred dollars of upgrades into mine, and I'm about to do some more, which is why I decided it was time for a review - this is my first review on any product ever. The gun is very robust. It's been good for field, backyard, and MilSim playing. The stock parts are decent, and the tuning of the gear box is pretty good. The first things I replaced were the barrel and hop-up. I use a 6.03mm barrel (no matter what barrel it is, if it's not clean it won't shoot well), and a Madbull bucking. I've also rebuilt the gear box with SHS gears, put in an M120 spring, and a high torque motor. It's now shooting right on 400 fps. Those are the main upgrades I've done that directly affect its performance, and as is, I can ding someone on the top of the head from 60 yards (don't aim for the head =). There is one modification to the lower receiver that I recommend even if you're not going to spend any money on this. The point where your middle finger rests against the joint of the pistol grip and the receiver can be very uncomfortable after long hours of play. If you take out the motor and take off the grip; you can lightly sand and file down all the edges to make it nice and comfortable. This gun can take a good beating, but you still need to treat it with care. DO NOT put a li-po straight in it. It can take it for a while, but you'll burn out the micro switch (thus my next modifications...). If you're going to use a li-po, invest in a high quality MOSFET first. I have taken EVERY part of this gun off and reassembled it without any problems, so don't be afraid to open it up and work on it. If it's your gun, own it. Aesthetically, the gun looks awesome and it's not hard to find external accessories for it. This gun is also very comfortable, and its relatively light weight makes is good for lengthy use (mine weighs about 8 lbs, but that's a bit heavier than the stock gun). This is both an excellent starting gun and a good platform to build from. If you're on a budget and thinking about getting this, stop thinking and order it. Sorry this was so long |=
by Matt S. on 05/25/2025
"Don't let the cheap price fool you. This thing is absolutely worth more you pay! It genuinely shoots 370-400. I assumed it would be low O.O.B so I ordered a lambda .05 and .01 barrel and Maxx M4E Hop up. Now it shoots 450 fps, so now I am putting a softer spring, as I didn't buy a cqb rifle to have to run DMR rules at my local field. My local tech and I were checking it and the spring it comes with is BEEFY! So if you are upgrading, plan on a m110 spring being added to the list, maybe even a m100 if you do more than hop up, barrel, and bucking. The .01 barrel shot the FPS up so much lol (obviously). So now I will slap the .01 in my AK74 since it is stock, the barrel should put it just under 400 fps.
If you get the M4E Maxx Hop Up, I can tell you for a fact you will either need to cut or remove your barrel spring. Only do this if your receivers wont line up. But I guarantee it won't. There is zero air leak. Note the 450 fps. Get this gun, now. It is a diamond for aluminum prices!
IF THIS ISN'T IN YOUR CART BY NOW, THERE IS NO HOPE FOR YOU IN THIS WORLD LOL
If you get the M4E Maxx Hop Up, I can tell you for a fact you will either need to cut or remove your barrel spring. Only do this if your receivers wont line up. But I guarantee it won't. There is zero air leak. Note the 450 fps. Get this gun, now. It is a diamond for aluminum prices!
IF THIS ISN'T IN YOUR CART BY NOW, THERE IS NO HOPE FOR YOU IN THIS WORLD LOL
by Justin R. on 03/12/2025
"I recommended the M4 RIS 8" Stubby version to a friend of mine and let's just say this gun is a beast for the price. This is SUPPOSED to be a beginner gun but I'd say this is more than capable enough for a backup or even a main for an intermediate player. The build of this gun is great for the price. It's a mix of metal and polymer but most of the metal is on the handguard area which does make it a little forward heavy. But if you get the shorter barrel versions that shouldn't be a problem. Accessing the buffer tube where the battery goes is a bit of a pain, but it's definitely worth it because this gun has a sale price of $135 but it's capable of handling an 11.1v lipo. And with that 11.1v lipo the fps is right around 390. Now the best part of this gun in my opinion is the rps. I have a $300 gun and I have other friends with $230+ dollar guns and this cheap little gun shot wayyy faster than all of them! I don't know the exact rps but it's got to be around 25. Each shot isn't always super consistent and on full auto the bbs kind of spray everywhere due to the shorter barrel but that could be a pro for some people!
So to sum it all up this gun is legit incredible for the price if you can get it on sale and it out-shoots some over $230 guns. Possibly the best beginner gun and still amazing as a backup or main for an intermediate to advanced player.
5 stars.
So to sum it all up this gun is legit incredible for the price if you can get it on sale and it out-shoots some over $230 guns. Possibly the best beginner gun and still amazing as a backup or main for an intermediate to advanced player.
5 stars.
by Caed H. on 03/08/2025
"This gun is awesome I definitely recommend it for any airsoft player
by Kevin M. on 02/17/2025
"Oh wow, this gun is a must for any airsofter. This is my first gun and it totally out played every one of my friends guns (Beating the Krytac gun at 450 fps!!!!!). You should buy this one - evike.com/products/77853/
I used an 11.1v butterfly battery and its crazy on full-auto.
Amazing accuracy and range. You must get this!!!!!
I used an 11.1v butterfly battery and its crazy on full-auto.
Amazing accuracy and range. You must get this!!!!!
by Aidan Zon Z. on 08/12/2024
"Oh. my. goodness. This weapons is a MUST for starting Airsoft and Professional Airsofters alike. The handling is fantastic, the Iron Sights are clear, the accuracy is marvelous and if you get the M203 Grenade Launcher with it: You get a free attachment with the gun! Imo, you should change the spring from 400 fps to 350 fps for indoor pay. Overall, this may be one of my favorite Airsoft AEG Rifles on the market and I would highly recommend it.
by Rob B. on 10/22/2023
"Ive had this for over a year and it was originally purchased to be a backup to my M4 GBBR. However, after seeing the impressive performance for the price, I wanted to continue to use it more when I didn’t feel like using a GBBR or when the weather was too cold. I’ve upgraded since the initial purpose. I got the following budget-friendly options:
Matrix Ported Cylinder
Matrix CNC Aluminum Cylinder Head
Matrix CNC Aluminum Nozzle (o-ring)
SHS CNC Aluminum Piston Head
Maple Leaf 60 degree Super Hop Bucking
Maple Leaf Concave Nub
Unicorn 6.03mm, 370mm Tightbore Barrel
ZCI High Torque Motor
Systema M120 Spring
With the above upgrades and a perfect shim job, the gun sounds amazing and has an extremely fast trigger response. You’ll get 1.44J with .3g BBs. Accuracy is phenomenal and the range is great. I’ve also let this be a loaner for people at the field I play at (we have a small community of players). They are very impressed with it. You can slap a 4x ACOG on this, if you want, and each shot (when sighted in properly) will follow the vertical black line perfectly until it hits the crosshairs. The body, although plastic, is made of a pretty good quality polymer and I don’t fear it breaking. The stock is meh and works, but I suggest getting a better quality one at some point after you do your upgrades.
TL;DR
If you’re hesitant on getting this because of the polymer body and low price, don’t let that worry you. This sucker is great and I highly recommend this as a primary or backup.
Matrix Ported Cylinder
Matrix CNC Aluminum Cylinder Head
Matrix CNC Aluminum Nozzle (o-ring)
SHS CNC Aluminum Piston Head
Maple Leaf 60 degree Super Hop Bucking
Maple Leaf Concave Nub
Unicorn 6.03mm, 370mm Tightbore Barrel
ZCI High Torque Motor
Systema M120 Spring
With the above upgrades and a perfect shim job, the gun sounds amazing and has an extremely fast trigger response. You’ll get 1.44J with .3g BBs. Accuracy is phenomenal and the range is great. I’ve also let this be a loaner for people at the field I play at (we have a small community of players). They are very impressed with it. You can slap a 4x ACOG on this, if you want, and each shot (when sighted in properly) will follow the vertical black line perfectly until it hits the crosshairs. The body, although plastic, is made of a pretty good quality polymer and I don’t fear it breaking. The stock is meh and works, but I suggest getting a better quality one at some point after you do your upgrades.
TL;DR
If you’re hesitant on getting this because of the polymer body and low price, don’t let that worry you. This sucker is great and I highly recommend this as a primary or backup.
by Jessica P. on 10/03/2023
"Great gun, have had for over a year. Is lipo ready, and can handle 11.1 V LIPO batteries. thats what i used. I switched over to a 7.4 v lipo because my previous battery died. 11.1 V makes it fire a lot faster. But it also wears down your gun faster. This is a great gun if you want to "sup it up" I swapped the M4 barrel for an alluminum keymod rail. And I put a red dot sight on it, and hoping to do some internal upgrades soon. Shoots far and accurate. Very solid metal gun.
by Jessica P. on 08/17/2023
"Amazing gun, i would recommend buying a strong battery because the gun can handle it since it is lip ready. very heavy and sturdy.
by Luka H. on 10/29/2022
"Got the URX Carbine 12”, thing is stellar right out of the box!
I just started playing outdoor for recreation and it performs so well!
Pros:
Accurate and precise from roughly 200ft with hopup tweaking
Very easy-to-use hopup
Good trigger response
Solid power
Sturdy/durable material made in Japan
Iron sights are dead on(but I will be getting a reflex)
Cons:
(Personal preference) wobbly stock when fully extended, but that’s most stock plastic crane stocks
It’s not too bad, but dimensions are not what they say they are in the specs. Definitely shorter, but the inner barrel is the right size
Not much info in the manual but no other problems with gun itself’
Awesome beginner setup for sure! Used 9.6v NiMh but getting 11.1v lipo to get a comparison.
11/10!
I just started playing outdoor for recreation and it performs so well!
Pros:
Accurate and precise from roughly 200ft with hopup tweaking
Very easy-to-use hopup
Good trigger response
Solid power
Sturdy/durable material made in Japan
Iron sights are dead on(but I will be getting a reflex)
Cons:
(Personal preference) wobbly stock when fully extended, but that’s most stock plastic crane stocks
It’s not too bad, but dimensions are not what they say they are in the specs. Definitely shorter, but the inner barrel is the right size
Not much info in the manual but no other problems with gun itself’
Awesome beginner setup for sure! Used 9.6v NiMh but getting 11.1v lipo to get a comparison.
11/10!
by ANDREW G. on 07/20/2022
"This is the best gun you can get for this price point. I used this as the base for my backup AEG. Gearbox is solid.
Things to note:
The one I received came rear wired though stated it would be front wired, this ended up being better for me anyways. The buffer tube is polymer so I ended up swapping out for a stubby stock for extra battery space. The hop up unit is a rotary, though feels pretty cheaply made so I threw in one I had lying around.
Overall very solid I would just recommend swapping out the buffer tube for a metal one or getting a fixed stock and upgrading the hop up unit. For this price you are getting a very solid base gun and can throw in a couple parts while still keeping your build very cost effective.
Things to note:
The one I received came rear wired though stated it would be front wired, this ended up being better for me anyways. The buffer tube is polymer so I ended up swapping out for a stubby stock for extra battery space. The hop up unit is a rotary, though feels pretty cheaply made so I threw in one I had lying around.
Overall very solid I would just recommend swapping out the buffer tube for a metal one or getting a fixed stock and upgrading the hop up unit. For this price you are getting a very solid base gun and can throw in a couple parts while still keeping your build very cost effective.
by Daniel B. on 07/19/2022
"This is a real good deal, it has an amazing gearbox. I bought one and basically used it for a custom build. It has a good hop up unit. The receiver is OK, a little thin but works just fine. I would by this for a starter gun and can always upgrade. works with 11.1v lipo as well. it has a good RPS
by Milsim M. on 07/17/2022
"I received this rifle (specifically the 8" Stubby version) as a Christmas gift and it is nothing short of the definitive best beginner rifle ever. Here's why:
The rifle comes standard with an in-line MOSFET which means it can run 11.1v lipos well with a decent rof and trigger response. I've been running a Matrix 11.1v 1500mAh butterfly style battery in this since I got it and it really has been a pleasure to use. It can compete with other higher end guns fairly well like the ARP9. It's easy to maintain, clean and put back together solidly. The hopup feeds well with most magazines. I use Bluebox 140rd midcaps and they feed down to the last bb in the magazine reliably. I have been told that my gun sounds like it's shimmed perfectly. I haven't taken apart the gearbox to see if there even are shims but it does sound really crisp for a sub $200 AEG.
But every gun has its flaws. Range is not it's strong point and needs a tightbore inner barrel to boost that. FPS is pretty damn high at about 390 FPS with a .2g bb on an 11.1v battery. That means it may not be CQB legal in most states in America. The polymer body feels okay but I'd recommend switching out your stock because it will wobble a lot and makes quite a lot of sound.
Whether you're a field owner looking for a nice rental gun, a beginner looking into their first rifle or an experienced technician looking for a good platform to convert to a HPA or DSG monster, this is all I can recommend. Do yourself a favor and buy any one of these rifles. They're amazing for the money you pay and they last a while if you maintain them!
9.6/10, would absolutely recommend!
The rifle comes standard with an in-line MOSFET which means it can run 11.1v lipos well with a decent rof and trigger response. I've been running a Matrix 11.1v 1500mAh butterfly style battery in this since I got it and it really has been a pleasure to use. It can compete with other higher end guns fairly well like the ARP9. It's easy to maintain, clean and put back together solidly. The hopup feeds well with most magazines. I use Bluebox 140rd midcaps and they feed down to the last bb in the magazine reliably. I have been told that my gun sounds like it's shimmed perfectly. I haven't taken apart the gearbox to see if there even are shims but it does sound really crisp for a sub $200 AEG.
But every gun has its flaws. Range is not it's strong point and needs a tightbore inner barrel to boost that. FPS is pretty damn high at about 390 FPS with a .2g bb on an 11.1v battery. That means it may not be CQB legal in most states in America. The polymer body feels okay but I'd recommend switching out your stock because it will wobble a lot and makes quite a lot of sound.
Whether you're a field owner looking for a nice rental gun, a beginner looking into their first rifle or an experienced technician looking for a good platform to convert to a HPA or DSG monster, this is all I can recommend. Do yourself a favor and buy any one of these rifles. They're amazing for the money you pay and they last a while if you maintain them!
9.6/10, would absolutely recommend!
by Peter R. on 07/10/2022
"I’ve bought 6 of these rifles so far, and plan to buy many more in the coming days. Here’s why:
Pros:
- Solid externals (superior to competing brand for half the cost)
- Microswitch Mosfet (spammable)
- Comes with hard to acquire stubby stock (lots of battery space and looks awesome)
- Lightweight
- Cheap (cheaper when on sale)
- Shot 350 fps @ 22 RPS on 11.1v 30c LiPo
Cons:
- Mosfet burns out quickly if spammed a lot
- Propriety gearbox/parts
For the price, it’s worth $140 to have a gun that outperforms the ARP9 and Calico Jack out of the box. Makes a great base gun for upgraded builds as well.
10/10 will buy again
And again
Pros:
- Solid externals (superior to competing brand for half the cost)
- Microswitch Mosfet (spammable)
- Comes with hard to acquire stubby stock (lots of battery space and looks awesome)
- Lightweight
- Cheap (cheaper when on sale)
- Shot 350 fps @ 22 RPS on 11.1v 30c LiPo
Cons:
- Mosfet burns out quickly if spammed a lot
- Propriety gearbox/parts
For the price, it’s worth $140 to have a gun that outperforms the ARP9 and Calico Jack out of the box. Makes a great base gun for upgraded builds as well.
10/10 will buy again
And again
