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Specna Arms RRA SA-P04 PRIME Aster II ETU BLDC AEG Assault Carbine - Black

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€401.33
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€401.33

Specna Arms RRA SA-P04 PRIME Aster II ETU BLDC AEG Assault Carbine - Black

Electric replica of the SA-P04 assault carbine, part of the Prime series. Equipped with a Specna Arms Dark Matter High Speed 27-35k brushless motor and featuring a Gate Aster II Bluetooth control module for advanced customization of the replica’s settings to suit your requirements.

damage-resistant construction, nano coating, and an extendable stock

Constructed from robust aluminum and high-grade plastic, the model’s body features a protective Nano Coating that shields the surface against scratches and wear. Outfitted with an extendable stock and a non-slip recoil pad, the carbine enables convenient length adjustment to accommodate the user's build or specific preferences.

Gate Aster II Bluetooth Module

The model comes outfitted with the Gate Aster II Bluetooth control module, allowing users to configure replica settings to suit individual preferences and making it compatible with both brushed and brushless motors. Aster II incorporates a built-in fuse for safeguarding the battery, gearbox, motor, and electronic controls. Constructed in line with the MIL-V-173C military specification, the module ensures reliable protection against harsh environmental conditions.

Key attributes of the Gate Aster II module:

  • Quantum Trigger 2 offering adjustable sensitivity
  • Binary trigger operation mode
  • Comprehensive battery over-discharge protection
  • Pre-cocking function enabling faster trigger response
  • Active Break feature ensures a complete firing cycle, preventing partial cycle execution and reducing gearbox stress
  • Sniper mode introduces sniper delay for realistic reload or recoil simulation
  • Bluetooth connectivity enables integration with a mobile application

Specna Arms Aether Gearbox

The replica is equipped by default with a premium Dark Matter High Speed 27-35k brushless motor that delivers increased power, rate of fire, reliability, and efficiency. Designed to handle exceptionally strong springs (up to M190), the motor provides high torque (approximately 27000 RPM).

Key attributes of the Dark Matter High Speed 27k brushless motor include:

  • high torque
  • enhanced trigger response, elevated TPA values
  • notably quieter performance
  • CNC-machined aluminum housing
  • lower current draw and reduced battery stress, resulting in superior efficiency
  • extended operational life and diminished component wear

ESA 2 Quick Spring Replacement System

Delivering a muzzle velocity of 430 FPS out of the box, the replica is equipped with an enhanced, tool-free ESA 2 quick spring change system for effortless tuning to fit various game scenarios. The package comes with an extra M90 and M135 spring for additional customization.

Precision Barrel, Rotating Hop-Up Chamber

The SA-P04 comes equipped straight from the factory with a rotating TDC Magnus Hop-Up chamber and a 6.02 mm steel precision barrel. The outer barrel features a standard flash hider installed on a 14 mm left-hand thread, providing compatibility for fitting a sound suppressor as an alternative attachment.

Mounting Rails and Sighting Devices

Equipped with 22 mm RIS mounting rails on both the rear section and the handguard, the carbine enables the installation of various tactical accessories. Target acquisition is facilitated by a peep sight in combination with a fixed front sight.

Set Elements

  • replica
  • 2 S-MAG mid-cap magazines
  • spare M135 spring
  • cleaning rod
  • adapter from small tamiya to T-deans
  • BB speedloader
  • spare M90 spring
  • vertical foregrip

Main features

  • Delivers a muzzle velocity of 430 FPS
  • Equipped with the Aether Gearbox featuring a reinforced framework
  • Integrated Aster II Bluetooth module for advanced connectivity
  • Features the ESA2 system for rapid spring replacement
  • Serial number authenticated by a holographic marker
  • Engineered for smooth operation and exceptional responsiveness
  • Protected with a Nano Coating finish
  • Utilizes Helium Flat Hop rubber for enhanced performance
  • Fitted with an extendable stock
  • Comes with a rotating TDC Magnus (Top Down Center) Hop-Up chamber
  • Outfitted with a precision barrel
Specna Arms


Militaria.pl is a premium dealer of Specna Arms.


Specna Arms is a brand specialized in the production of ASG replicas, valued for their solid workmanship and value for money. The offered models are characterized by realistic appearance and high durability. The range includes a variety of series - from lightweight CORE™ models for beginners, through advanced EDGE™ models with metal bodies and licensed markings, to top PRIME™ replicas with brushless motors and modern electronics. The brand collaborates with renowned companies such as Rock River Arms and Daniel Defense. Specna Arms has a reputation among both beginners and advanced airsoft players.

More Information
Based on M4
Replica propulsion Electric
Muzzle velocity 430 fps
Accurate shot range Up to 40 m
Magazine type Mid-Cap
Magazine capacity 125 6 mm caliber BBs
Gearbox Reinforced
Body Aluminum
Overall length 785 mm
Weight 2830 g
Main color Black
Optics ready Yes
Fixed sighting devices Yes
Blowback No
Additional accessories included Yes
Accessory rail Yes
Hop-up Yes, adjustable
Plug type Deans/T-Connect
EAN 5902543887429
Manufacturer code SPE-01-043631
Brand Specna Arms

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