Matrix M4 GBB AR-15 w/ Reinforced WA System

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Matrix M4 GBB AR-15 Gas Blowback Airsoft Rifle w/ Reinforced WA System (Model: Delta MLOK 9")


  • Utilizes the Western Arms gas blowback system ensuring reliable performance with a plethora of aftermarket parts and accessories
  • Injection molded polymer receiver provides rugged durability without the additional weight of a metal receiver
  • Improved gas efficiency, reliable feeding and firing in full auto
  • Adjustable SOPMOD type stock
  • Flat top receiver is ideal for mounting optics or other 20mm accessories
  • 20mm railed MLOK compatible handguard with MLOK mounting points on the 2 O'Clock, 6 O'Clock, and 10 O'Clock positions



  • Length: 680mm - 760mm, Adjustable
  • Weight: 3300g
  • Inner Barrel: ~280mm
  • Magazine Capacity: 50rds Uses Matrix, G&P, Western Arms, King Arms, Inokatsu, and compatible magazines.
  • Thread Direction: 14mm Negative
  • Gas Type: Green Gas
  • Fire Modes: Semi/Full-Auto, Safety
  • Package Includes: Gun, Magazine
  • Hopup: Yes, Adjustable

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