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Matrix M4 GBB AR-15 Gas Blowback Airsoft Rifle w/ Reinforced WA System (Model: MLOK 7")

ID: 81099 (GR-MTX-ST-GBB-10-CBK)
4.5 stars, based on 32 reviews
Matrix M4 GBB AR-15 Gas Blowback Airsoft Rifle w/ Reinforced WA System (Model: MLOK 7)
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MatrixGolden Eagle


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  • Utilizes the Western Arms gas blowback system ensuring reliable performance with a plethora of aftermarket parts and accessories
  • Injection molded polymer receiver provides rugged durability without the additional weight of a metal receiver
  • Improved gas efficiency, reliable feeding and firing in full auto
  • Adjustable SOPMOD type stock
  • Flat top receiver is ideal for mounting optics or other 20mm accessories
  • 20mm railed MLOK compatible handguard with MLOK mounting points on the 3 O'Clock, 6 O'Clock, and 9 O'Clock positions

Manufacturer: Matrix

FPS Range: 340-380

Color: Black


Length: 680mm - 760mm, Adjustable
Weight: 3300g
Inner Barrel: ~280mm
Magazine Capacity: 50rds Uses Matrix, G&P, Western Arms, King Arms, Inokatsu, and compatible magazines.
Thread Direction: 14mm Negative
Gas Type: Green Gas
Fire Modes: Semi/Full-Auto, Safety
Package Includes: Gun, Magazine
Hopup: Yes, Adjustable

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 Golden Eagle

Golden Eagle International (HK) Limited was founded in 2007, with strong experience in developing and manufacturing high-quality airsoft guns, airsoft parts and related survival game products under the brand GE Airsoft (Golden Eagle Airsoft). As a professional supplier, our goal is to ensure customer satisfaction by providing high-quality products and excellent after-sales service.

32 Customer Reviews

(Write a review)

by sarah H. on 11/24/2022
"Pretty dope!

I bought this with the intent of running it in CQB, since that's what's near me, but it shot about 380 with .20s, which was a bit too hot for my field.

I tried to find a low-power nozzle or and NPAS system for it, but apparently they don't exist, not even from overseas retailers. I was pretty bummed by this and was planning on taking it to my local shop to trade it in for a different GBBR that actually HAD some parts support, but I changed my mind, since I'm planning on trying some outdoors soon (Apparently there's an outdoor field near me that I didn't know about). I bought the CQB-R variant, so I was a little concerned about being outranged on the outdoor field, since the barrel is short, but it turns out the hop up is great.

Honestly, I would recommend this thing to almost ANYONE, as long as they have an outdoor field near them.

by Aaron P. on 10/11/2022
"pretty friggin sick so far
I thought the mag was weird and leaking but I’m pretty sure it was just my error
Recoil is nice, build feels good
Overalls good gun 🤙
by Peter A. on 08/12/2022
"Love this rifle realistic feeel and recoil at a small price

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