KWA Full Metal RM4A1 Carbine AEG3 Electric Recoil Airsoft Rifle

SKU: 106-00300
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The KWA AEG 3 RM4A1 is an AR style, Automatic Electric Gun [AEG] that utilizes the patented Kinetic Feedback System [KFS]. This gives the user felt recoil with every trigger pull. This updated KWA AEG 3 RM4A1 also features a mechanical/electrical cut-off system to stop firing when the magazine is empty at 30 and 120 rd. intervals. Standard features of the RM4A1 include metal alloy receivers, MilSpec buffer tube and stock, a flat top rail, which allows operators to customize their weapon configuration, and an operational bolt catch feature that provides the user with unparalleled realism by mimicking fundamental AR15 weapon manipulation. Similar to real AR15 style rifles the RM4A1’s modular design allows limitless customization options to best suit the individual’s training and MilSim needs.

The new KWA AEG3 RM4A1 Carbine is the first model in the new 3rd gen AEG family. This updated ERG model now shares the the newest features of the recently introduced AEG 2.5 system, PLUS simulated recoil with KWA’s patented Kinetic Feedback System. Highlighted by a Switch Life Extender to minimize the wear and tear on trigger contacts, the AEG 3 combines ultimate AEG rifle with a more cost-effective training solution to provide players and professionals the best airsoft experience. Additional features include magazine cutoff compatibility combined with a quick-change spring for users to customize their KWA AEG rifle to their own specifications.

This updated ERG takes the professional airsoft training M4A1 model to a new level of performance with a one-piece full metal alloy upper receiver, a new rotary hop up and a PTS Enhanced Polymer Grip for added comfort. Rear-wired and Li-Po ready, the RM4A1 can still handle the extra power of LiPo batteries. The RM4A1 is also equipped with a reinforced metal gearbox utilizing KWA’s unique 9 mm ball bearing bushing combination and case hardened, upgraded precision metal gear sets. Heavy duty springs and a new high-torque motors are matched for optimum results. The KWA RM4A1 Carbine was engineered to outperform, offering ultra high performance and training simulation straight out of the box.


  • High strength, full metal alloy & reinforced polymer construction
  • Reinforced, full metal 9mm Version 2.5 gearbox
  • Velocity: 380 - 410 FPS with .20g BBs
  • Length (retracted): 32.75" / 83.19 cm
  • Length (extended): 35.5" / 90.17 cm
  • Fire Modes: Safe, Semi & Full Auto
  • Weight: 7.69 lbs / 3.49kg
  • Uses KWA's new rotary hop up unit
  • One-piece, full metal alloy upper receiver
  • Utilizes KWA's revolutionary Kinetic Feedback System (KFS)
  • The KFS mimics gas blowback realism in robust AEG platform
  • Version 2.5 gearbox with improved high torque motor and upgraded high speed gear set
  • Adjustable recoil with quick change spring system
  • Switch Life Extended minimizes wear and tear on trigger contacts
  • PTS Enhanced Polymer Grip for improved control when shooting
  • Functioning bolt catch and release with mechanical cut-off when magazine runs empty
  • Ideally suited for both Military Simulation and training applications
  • Magazine can alternate between 30 or 120 round capacities
  • Polymer, 2-piece hand guard
  • Railed upper receiver allows for the mounting of aftermarket scopes and optics
  • Crane stock provides excellent cheek rest when shooting - also houses battery
  • Front and rear sling mounts
  • Backed by KWA's 90-day limited warranty

Package Includes:

  • KWA RM4A1 AEG3 Airsoft Rifle
  • 1x 30 / 120rd Polymer mid-cap magazine
  • Instruction manual
  • Warranty information

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