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Home » Airsoft Guns » Airsoft Electric Rifles

Matrix / S&T Sportsline M4 RIS Airsoft AEG Rifle w/ G3 Micro-Switch Gearbox
(Model: Black URX 4 8.5")

ID: 106564 (AEG-STAEG370CMCBC)
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MatrixS&T

$179.95

This item is currently Sold Out

Canada Export CompliantCanadaExport Compliant
This gun has a muzzle velocity rating (FPS) between 366 and 500, and is compliant for export to Canada.
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Model Options:
Block 3 10.5Block 3 10.5"
Block 3 9.5Block 3 9.5"
CQB-R 7CQB-R 7"
CQB-R 9CQB-R 9"
Keymod 10 w/ SuppressorKeymod 10" w/ Suppressor
Keymod 8Keymod 8"
M4 CQBM4 CQB
M4 CommandoM4 Commando
M4 RIS 8 StubbyM4 RIS 8" Stubby
M4 StubbyM4 Stubby
M4A1M4A1
M4A1 w/ M203M4A1 w/ M203
RIS 9RIS 9"
Stubby 5Stubby 5"
Stubby 5 Fixed StockStubby 5" Fixed Stock
URX 3.1 12URX 3.1 12"
URX 3.1 8URX 3.1 8"
URX 4 10.75URX 4 10.75"
URX 4 13URX 4 13"
URX 4 8.5URX 4 8.5"
URX Carbine 12URX Carbine 12"
Options:
Black$179.95
Options:
Gun Only$179.95
Go Airsoft Package$300.41

Description

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Product Description

Features

  • Matrix / S&T Gen 3 Lipo ready gearbox with micro-switch trigger and quick change spring guide
  • Integrated mosfet for enhanced power / motor performance, trigger response, and fully upgraded lipo ready internals.
  • Full length top picatinny / 1913 rail for favorite optics and accessories
  • 8.5" URX 4 M-LOK rail with Picatinny / 1913 segments for grips, lights, lasers, and more!
  • 14mm negative threaded outer barrel with Easy to adjust rotary hop up.
  • Adjustable six position crane stock allowing for use of a wide variety of batteries.
  • Semi, full auto, and safe select firing modes. Utilize common fit universal M4 AEG magazines!
  • Functional dust cover and mock bolt stop for easy access to hopup adjustment. Railed AR15 type receiver for mounting Picatinny / Weaver compatible optics and accessories.
  • High strength nylon fiber reinforced polymer receiver, stock, buffer tube, grip, and carrying handle.
The Newly improved G3 gearbox developed under collaboration between Matrix and S&T offers the same features found in the G2 series such as a microswitch trigger, improved steel gears, full steel teeth piston, and aluminum cylinder. New to the G3 series gearboxes is an improved QD spring system which makes it even easier to swap to different strength springs without disassembly. The inline MOSFET features over discharge protection and the electric trigger features a magnetic sensor for improved responsiveness.

Manufacturer: Matrix / S&T

FPS Range: 400-430

434 Customer Reviews

(Write a review)

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
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.
by Caed H. on 03/08/2025
"This gun is awesome I definitely recommend it for any airsoft player

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MatrixS&T

About Matrix

Established in 2001 for Airsofters by Airsofters. Team Matrix thrive on the vision to better the sport of Airsoft with affordable high quality Airsoft equipment. With decades of experiences as Airsoft enthusiasts ourselves, we live, sleep, and breathe Airsoft. Matrix offers a wide selection of skirmish grade replicas from rifles to pistols, a wide variety of accessories, and tactical equipment from helmets to boots. It is the Matrix mission to prepare every Airsoft shooter the perfect experience!

About S&T

S&T is a group of Airsoft enthusiasts that produces rifles and parts based on the trends in the Airsoft industry. Their mission is to supply a wide range of quality products with the most competitive pricing for dealers and consumers alike. S&T was founded in 2009 with their HQ office located in Hong Kong, a subsidiary office in Japan, as well as Airsoft / Airgun manufacturing facilities in China.