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KWA LM4 PTR Gas Blowback M4 Airsoft Professional Training Rifle

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  • Product Description

    The KWA LM4 Professional Training Rifle is an ATF approved gas blowback AR style rifle available in the United States. It features a new hop up system that was developed for the LM4 to improve range performance on the field. An aluminum alloy receiver houses the full steel reinforced bolt carrier for strong reliable feedback. The LM4 PTR buffer tube has the same diameter of a MilSpec Butt Stock which allows operators to customize to their weapon configuration. In addition, the lower receiver can accept aftermarket AR15 pistol grips and trigger guards. Other details such as the operational forward assist and bolt catch feature provides the user unparalleled realism by mimicking fundamental AR15 weapon manipulation. Similar to real AR15 style rifles the LM4 PTR’s modular design allows limitless customization options to best suit the individual’s training needs.



    • Overall Length (Retracted) = 77.47 cm [30.5"]
    • Overall Length (Extended) = 85.73 cm [33.75"]
    • Outer Barrel Length = 38.1 cm [15"]
    • Inner Barrel Length = 370 mm
    • Inner Barrel Diameter = 6.05 mm
    • Weight = 2.86 kg [6.30 lbs]
    • Barrel Thread = -14 mm
    • Caliber = 6 mm
    • Magazine Capacity = 40 rounds
    • Rate of Fire = 13+ RPS
    • Velocity = 110-116 MPS [360-380 FPS] @ 75 degree Fahrenheit
    • Energy Output with 0.20g BB = 1.20 Joules
    • Gas System = FV
    • Propellant = Green Gas

    Special Features:

    • Gas operated recoil blow back
    • Realistic construction & field stripping
    • Functional bolt catch and release
    • Functional forward assist
    • Removable carry handle
    • Flat top receiver
    • Full metal alloy recievers
    • Adjustable front and rear sights
    • 6 position collapsible stock
    • Semi and full auto select fire
    • Adjustable hop-up
  • Product Reviews


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    1. very impressed

      its really true you get what you pay for this is one of the best gas blow back rifles on the market,in my experience it only jammed once but that was my fault i kept pulling charging handle because the sound is just amazing so i kept pulling it and i jammed it but i put about 30 mags through it and its just amazing quality no cons its a really good gas blow back rifles on Feb 28th 2017

  • Warranty Information

    30 Day Return, 45 Day Warranty

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  • Other Details

    Power Source: Green Gas
    Velocity: 380 FPS with 0.20g BBs