SRC - SR4 SD Special Ops Gen 3

Fubar Bundy Airsoft SKU: GE0509TM111


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SRC SR4 SD Special Operations M4 AEG (Gen III)

The SR4 SD Special Operations M4 is a full metal rifle with the upgraded Gen III gearbox from SRC. It comes with a KAC styled silencer, full RIS rail system for numerous attachments and crane stock for a decent amount of battery space.


  • Weight:3432g
  • Length:842/885mm
  • Battery:2 Stick type (not included)
  • Muzzle Velocity: 320 fps (0.20g)
  • Material: Aluminum Alloy Receiver. Aluminum Alloy CNC Handguard and Steel Parts. Nylon Fiber Stock.
  • Magazine:300R Steel Magazine
  • Inner Barrel Length:228mm


Gen III Gearbox

  • 8mm Ball Bearing
  • Aluminum Double O-Ring Piston head with Bearing
  • Double O Ring Metal Cylinder Head
  • Steel Gearset(reinforced gearbox)
  • Aluminium Spring Guide with Bearing
  • POM Nozzle with O-ring