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Specna Arms M4 AEG Rifle CORE Series M4 RIS Carbine SA-C03

Specna Arms
SA-C03 Black



Specna Arms M4 AEG Rifle CORE Series M4 RIS Carbine

Outstanding Construction Quality: Specna Arms' CORE Series M4 RIS Carbine offers exceptional build quality, with a receiver, stock slide, SF stock, and pistol grip crafted from fiberglass-reinforced nylon, and a barrel, RIS handguard, and flash hider made from sturdy metal. Its lightweight yet resilient construction makes it suitable for dynamic games or extensive mil-sims, delivering a superior airsoft experience.

Quick Power Adjustment with ESA™: With the innovative ESA™ Quick Spring Change System, you can rapidly adjust the power of the rifle to match the conditions of the playing field. This feature provides versatility and ensures an optimal balance between firing effectiveness and safety.

High Precision Shooting: The airsoft rifle features a high-quality 6.03mm precision barrel that significantly enhances the range and accuracy of your shots. It provides a competitive edge during airsoft events.


  • Quick power adjustment with the innovative ESA™ Quick Spring Change System.
  • Lightweight and durable construction featuring a combination of fiberglass-reinforced nylon and metal components.
  • High-quality 6.03mm precision barrel for improved range and accuracy.
  • RIS handguard allows customization with a wide range of accessories.
  • Adjustable, extendable stock with an anti-slip pad for user comfort and stability.
  • Flip-up rear sight that does not collide with installed aiming devices.
  • Standard flash hider based on a 14mm left-handed thread, allowing for silencer attachment.
  • Includes additional M90 spring, enabling quick muzzle velocity modification for close-ranged and indoor operations.


Overall Length 31.5 - 34.6 inches
Weight 5.5 lbs
Outer Barrel Length 14.5 inches
Barrel Thread 14 mm CCW
Inner Barrel Length 363mm
Inner Barrel Diameter 6.03mm
Muzzle Velocity ~380 FPS (default), ~310 FPS (with included M90 spring)
Fire Modes Safe/Semi/Full-auto
Color Available in Black or Half-tan
Gearbox QD V2, 8mm bushings
Magazine Capacity S-MAG Hi-Cap with up to 380 BBs
Package Includes Replica, S-MAG Hi-Cap magazine, fixed iron sights, RIS rail covers, tactical forward grip, additional M90 spring
Battery Combo Adds 7.4V 1100mAh 20C LiPo Nunchuck, B3+ LiPo Charger