Date: 17/1/2021 7:26
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Marui M4 System

4.01 review
Marui M4 System

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Retractable Stock

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SIR foregrip

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Orange Tip

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    WARNING This product can expose you to chemicals including lead, which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to
New Tokyo Marui M4A1 AEG
Based on the M4A1, Tokyo Marui's M4 S-system version shows off some new and attractive features for die-hard airsoft fans!
Features include:
1. Flip up front sight
2. Low profile flip-up rear sight
3. Enhanced butt stock (extend the length of rifle from 768mm to 850mm)
4. Aluminium one-plece barrel
5. Metal skeletal frame for added rigidity and weight
6. Six position LE tactical extendable stock

The S-System has long upper rail, side rails and bottom rail that can accept both airsoft and real accessories. Rails are metal made while the system frame is plastic. The method how the S-System is locked to the gun is simple and well functional. Given the functionality of S-System battery exchange is relatively easy. Unlike in the M4 RIS this time the battery can be stored inside S-System and special wiring is provided with the gun to faciliate this. As in real SIR-system the S-System has holes across its body to allow re-positioning of rail units.
Both flip up sights are fully adjustable and the rear sight is secured to low profile position with help of side lever. Similarly front flip up sight has release button to allow positioning to low profile position

other products by Tokyo Marui

Max Velocity280 fps
Overall Length26.8"
Shot Capacity68
Weight5.5 lbs

other products by Tokyo Marui

Average Customer Review

4.0 (1 review)
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By Cole Fuhrmann from USA on 2009-05-07
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2.01 rating

Things I liked: It's cool.

Things I would have changed: The price.

What others should know: Get saftf goggles.


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    Item Description
    AFM4S-System [PY-880-1659]
    Orange muzzle
    Shooting Mode: Semi, Full Auto
    Hop-Up: Adjustable
    Length: 30.26 - 33.5 inches
    Weight: 7.5 lbs
    Magazine capacity: 68 rounds
    Motor: EG1000
    Velocity: 280 fps with 0.2g BBs (350 fps with 0.12g BBs)
    Battery and charger are not included
    Max Velocity280 fps