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  • L4-RAS-SE electric carbine replica (ASCU version)
  • L4-RAS-SE electric carbine replica (ASCU version)
  • L4-RAS-SE electric carbine replica (ASCU version)
  • L4-RAS-SE electric carbine replica (ASCU version)
  • L4-RAS-SE electric carbine replica (ASCU version)
  • L4-RAS-SE electric carbine replica (ASCU version)
  • L4-RAS-SE electric carbine replica (ASCU version)
  • L4-RAS-SE electric carbine replica (ASCU version)
  • L4-RAS-SE electric carbine replica (ASCU version)
  • L4-RAS-SE electric carbine replica (ASCU version)

L4-RAS-SE electric carbine replica (ASCU version)

  • Made of: metal and plastic
  • Weight: 3650g
  • Length: 800-885mm
  • Muzzle velocity: ~395 FPS
  • Color: black
  • Version with ASCU module
  • Manufacturer: LCT Airsoft
  • Product code: LCT-01-005994
295,95 €
295,95 €
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Product description

L4-RAS-SE electric carbine replica (ASCU version)

The replica is made mostly of metal. The elements such as the pistol grip, the stock, the RIS rail covers and the tactical grip are made of plastic. The foldable stock is adjustable in five positions which extend the replica from 695mm to 780mm.

Thanks to the application of the foldable stock, the replica is perfect to be used in CQB skirmishes. The front grip consists of the 22mm RIS rails which allow the mount of additional accessories such as a flashlight or a laser target marker. The set includes a tactical RIS mounted grip. The hi-cap type magazine holds 300 BB pellets.

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. 3+ includes the following upgrades: 

- added polymer padding to the circuit boards, protecting them from damage during installation
- obsolete short-circuit software removed, making shots in semi-auto much faster
- a dedicated H-U chamber makes it impossible to shoot when the magazine is empty
- every pull on the trigger results in a single shot, new system prevents any double-shots
- new cut-off lever and selector plate designed specially for the ASCU
- new, thicker wires
- no need to dremel or modify the reinforced gearboxes.

The ASCU improves the operation of a V.3 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.

The set includes:

- the L4-RAS-SE electric carbine replica,
- a hi-cap type magazine holding 300 BB pellets,
- a tactical RIS rail grip,

Magazine compatibility chart

NiMH, Li-Po and Li-Ion batteries charging tips:

Replika karabinka L4-RAS-SE (ASCU version)
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
Fire mode
Single, auto
Made of
plastic + metal
Length [mm]
Inner barrel length [mm].
Weight [g]
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).

Muzzle 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

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