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Matrix "Calico Jack" Metal M4 Airsoft AEG Rifle w/ M-LOK Handguard & MOSFET (Model: Carbine / Forged-Style Upper Receiver)

ID: 21571 (AEG-MTX-M906D-BK)
M906D BK
Matrix859188215719M906D BK21571
4.9 stars, based on 16 reviews
Matrix Calico Jack Metal M4 Airsoft AEG Rifle w/ M-LOK Handguard & MOSFET (Model: Carbine / Forged-Style Upper Receiver)
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Optic not included
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MatrixDouble Eagle


Temporary No-ExportTemporarily avilable in US only
This item is temporarily only available for shipping within the United States. International delivery will be available this item soon.
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!


  • Features the new "Falcon" version 2 gearbox, complete with quick change spring, 8mm steel bearings, and a rotary-style hop-up
  • Falcon electronic control system can control fire mode and trigger pull as well as provide battery and motor protection
  • Ambidextrous fire controls provide comfortable use for both righty and lefty shooters
  • M-LOK slots around the handguard run the entire length for easy attachment of accessories and tactical devices
  • Forged-style advanced metal receiver still features comfortable ambidextrous controls in a more traditional appearance
  • Retractable M4 stock allows for a custom ergonomic fit while still providing buffer tube space for batteries

Manufacturer: Double Eagle

FPS Range: 380-410

Color: Black


Dimensions (Adjustable): 710-795mm
Weight: 2380g
Magazine: 180 Round Mid-Cap
Gearbox: Ver. 2 / Fully Upgradeable Metal Gearbox
Battery: 7.4v small stick type recommended (Battery not included, wired to stock w/ Standard Deans connector)
Hop-Up: Yes, Adjustable
Firing Mode: Full / Semi and Safety (Programmable Burst Feature Available)
Package Includes: AEG, Manual, Mid-cap Magazine

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!

16 Customer Reviews

(Write a review)

by Jeff B. on 08/04/2022
"In all honesty, insanely high quality. Its accurate, and with an 11.1 lipo it shoots faster and is more responsive than anything else I've tried. Epic swag, if I say so myself
by Christopher A. on 08/01/2022
"My first airsoft rifle, its super fun, feels great, feels super durable. love shooting it.
by Christian G. on 11/24/2021
"Just so everyone knows what I’m talking about I got the
X4 Carbine / Forged-Style Upper Receiver.

I’ve had this gun for about two months now and it’s incredible. No problems yet.

Very consistent shooting, my gun shoots at a solid 350 fps (choreographed with .20’s).

The trigger response is incredible, fastest shooting I’ve ever been able to achieve, and for this price there isn’t really anything better.

Strong metal build
Good programmable features
flat trigger
Lasts around 4-5 hours with an 11.1 lipo
Comes with adaptor for deans-Tamiya

Not many
The heavy metal can be a bit grueling when spending long amounts of time playing
Low battery space, a stick type is very difficult to fit but possible.

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