FC-128 Assault Rifle Replica (ASCU2 Gen.4+ version)

  • Material: ZnAl + steel + polymer
  • Weight: 2705g
  • Length: 740-825mm
  • Colour: Black
  • Muzzle Velocity: ~440 FPS
  • Version with the ASCU Gen.4 module
  • Engine: Electric
  • Manufacturer: ForceCore Armament

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FC-128 Assault Rifle Replica (ASCU2 Gen.4+ version)
Manufacturer: ForceCore Armament
Product code: FCI-01-015745
Very small quantity of stock
Ready to ship in 1days
Cost from €1,66
223.11 / 1pcs
You save 23% (€66,64).
In stock
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FC-128 Assault Rifle Replica (ASCU2 Gen.4+ version)

A series of American assault rifles from ForceCore Industries aggressively invades a popular on the airsoft market segment of “M-type replicas for less than 1000 PLN” and can bravely compete with other manufacturers. Characteristic features of ForceCore replicas are very solid outer craftsmanship, almost 100% "full metal“ construction, efficient and stable stock performance as well as an offer of interesting and original models.

The craftsmanship quality allows it to easily and without any reservations be placed among more expensive models from brand manufacturers. Particular elements of the replica, such as both receiver parts or the handguard were fit together in an exceptionally accurate way and it is difficult to name any loose spots. In addition, the receiver bears effective, laser engraved manufacturer markings, together with a Navy Seal Team “frog”.

Parts made from durable alloy of zinc and aluminium include, among others, the entire receiver with RIS rails, handguard, outer barrel, stock slide, flash hider and all manner of manipulators. Magazine casing, shell ejection flap and bolt dummy plate were made from metal. Remaining elements such as the pistol grip and the stock - as in the live firearm original - were made from polymer.

Top of the replica has a long RIS 22mm mounting rail that enables the attachment of various additional accessories, such as optical sights. The rail has a set of flip-up, mechanical iron sights. The outer barrel features a standard 14mm left-handed thread and a flash hider mounted on it.

The replica is equipped with a characteristic handguard with skeleton construction that can be expanded upon with additional RIS rail modules (included in the set).  A special shape pistol grip has been implemented, which is slightly thicker than grips usually used in “M-type” replicas. Telescopic SF stock of adjustable length has room for a battery inside, which is included in the set.

The heart of this replica is a gearbox v.2, which features: 8mm ball bearings, set of steel gears and metal spring slide. Moreover, a tightened, metal nozzle and metal Hop-Up chamber were used. The mechanism is characteristic for its good fit of parts and very good tightness at stock.

The set includes a steel, Hi-Cap magazine with a capacity of up to ~300 BBs. 

This replica has been outfitted with the most up-to-date gen.4+ ASCU2 module, installed in our service department.

In the latest ASCU2 gen.4+ module we receive an updated software that will protect it against damages caused by a low quality Li-Po battery.

The ASCU is a two-part electronic module ( the control module and the sensor module ) which, upon being installed in the Airsoft replicas, significantly improve their operation. The traditional joint module was replaced with a sensor module which monitors the actual position of the piston thread-wheel, the firing mode selector lever and the trigger. The gathered information is sent to the control module – in which the software located in the processor analyzes it and controls the replica’s motor with the use of the MOSFET active break.

ASCU Gen. 4 includes the following upgrades: 

1. New MosFet transistors with 16 times less resistance, resulting in to faster cycle, better active brake, more shots per battery charge and less heat.
2. New very strong trigger switch.
3. New reinforced design with full polymer encasing.
4. Better short-circuit protection.
5. Easier installation.
6. Updated software with easier programing (accidental hop-up program activation is impossible).
7. Improved cut-off lever.
8. Improved selector plate.
9. Fits all standard and reinforced version 2 gearboxes.
10. 3 year world wide warranty.

The ASCU improves the operation of a V.2 gearbox and makes that the replica equals the more expensive replicas and the more sophisticated PTW class replicas. The ASCU system monitors the operation of the replica no matter the speed of squeezing the trigger and is responsible for the full cycle of the piston’s operation, both in the semi-automatic and full automatic firing modes. The piston stops in the starting position after each shot.

The ASCU is equipped with the Low Drain Protection system which is specially designed to secure the lithium-polymer (LiPo) batteries from being damaged.

In case of any emergency, the ASCU stops the firing mode in the replica and, therefore, secures the inner elements from further damage.

The ASCU is easy to install in the replica which is equipped in the V.2 gearbox. Most of the models does not require the modification of the airsoft rifle’s original parts. Yet, in some cases, some minor changes may have to be introduced – thanks to this the installation process will be completed without any problems.

You can find more details here:

The set includes:

- replica
- magazine
- battery
- charger for the battery
- set of flip-up iron sights
- set of RIS rails to be mounted on the handguard

Tech specs:
Replika karabinka FC-128 (ASCU Gen.4 version)
ForceCore Armament
12 months
Velocity [FPS]:

It is the spped of bb, while its leaving the innerbarrel of replica. This speed is measured in FPS (Feet Per Second).

1 FPS = 0,3 m/s

1 J = 99 m/s

1 J = 326,7 FPS

Propulsion / Powered by:
Gearbox version:

Indications v2, v3, v6 does not mean the level of advance, but only shape of gearbox skeleton which was used and selected by the manufacturer depending on the capabilities of the body of the replica. For example, a models of the M4/M16 family, MP5, have a v2 gearbox, while the AK family have gearbox v3.

v2 Gearbox
Type of fire:
Single, auto
Diameter of bearings in GB [mm]:
Lenght [mm]:

The length of the replca is measured between the two most distant points of each other. Different models have several of these values, because of its design allows to increase or decrease it length (eg.  folding stock or extended flash hider).

Weight [g]:

This is a value that includes the weight of the replica, magazine and other accessories that are include in set without a battery, charger, cleaning rod, etc., etc.

Battery Capacity [mAh]:

Battery capacity determines the time, which it accumulated enough energy to work gearbox. The greater  capacity, then replica will shoot longer.

Magazine type:
Hi-Cap magazine
Magazine capacity [pcs]:

Hop-Up system is used for overclocking bb during the shot (putting it in rotation), through which, it extends its flight path. Acting laws of physics make that bb lift up, while the gravitational force take it down. Appropriate adjustment of Hop-Up, will compensate for these two factors, which result in long and straight flight for longer distance and be greater focus shot (to improve accuracy).

Yes, adjustable
Blow Back:

Blow back is a simulation system of the cocking lever - it imitates the work of it as the equivalent sharp. This system raises the realism and adds a lot more experience during shooting.

Made of:
Metal + plastic + steel
Battery included:

NiCd rechargeable battery is characterized by high efficiency current-carrying capacity, but there are disruptive effect on memory. Should be unloaded and loaded in the full cycle, ie, it is recommended to fully discharge, and after unloading must charge the battery immediately without leaving it for a long time in a discharged state.
NiMH batteries have a higher self-discharge over time and shorten the life - on the other hand, they earn about 30% more capacity.

Battery Voltage [V]:
MOSFET and ASCU modules:
Replicas with preinstalled ASCU module
Users reviews
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