KWA Full Metal LM4 RIS PTR Gas Blowback Airsoft Rifle

SKU: 103-00215

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The KWA LM4 RIS Professional Training Rifle (PTR)! Built to the same standard as their Professional Training Pistol (PTP) line, the PTR was designed to be used as a training tool for military, law enforcement and tactical training personnel. The LM4 also brings something that most gas blowback rifles (GBBRs) falter in – affordable reliability. With a name like KWA, nothing but quality can be expected and that is what they bring with the LM4 PTR. Out of the box this GBBR is ready for use, no need to upgrade or reinforce any internal parts. All you need to do is load it, gas it and its ready for the field.

The externals are solid and tough. The metal parts, such as the receivers, barrel, buffer tube and rail system made of a high-grade aluminum, while the pistol grip and crane stock are made of a nylon-reinforced polymer. With high quality materials combined with KWA’s quality engineering, this gun was built to last and withstand the rigors of tactical training or skirmishing.

However, it is the magazine and gas system that puts the LM4 a cut above the rest. By utilizing their years of experience in designing efficient and reliable gas pistols, KWA created a gas blowback rifle with the same efficiency and reliability. The magazine and rifle were engineered utilizing KWA’s new “Force Velocity” system, an evolved version of their NS2 system for their rifles and sub-machine guns, creating a highly gas efficient blowback system while generating a stronger felt recoil. With the force velocity system plus reinforced internals and bolt, this GBBR can easily handle the stress of sustained use.

Featuring similar ergonomics of a real M4A1, coupled with a reliable, efficient gas system and solid construction, KWA’s motto is summed up perfectly in the LM4, it has been engineered to outperform.


    • High grade aluminum body, barrel and rail system
    • High strength polymer pistol grip and stock
    • Gas powered airsoft gun
    • Safe, semi and fully automatic firing modes
    • Velocity: 360-380 FPS with .20g BBs @ 75 degree Fahrenheit
    • Rate of fire with green gas: 13 RPS +/- 1
    • Overall length (Retracted): 31.5" / 80.01 cm
    • Overall length (Extended): 34.75" / 88.57 cm
    • Power Source: Green Gas
    • Fire Modes: Safe, Semi & Full Auto
    • Weight: 6.30 lbs / 2857g
    • Uses KWA's revolutionary Force Velocity gas system
    • Full metal, two-piece rail system for mounting tactical accessories
    • Adjustable hop up system
    • Railed top receiver for mounting scopes and optics
    • Full cycling bolt carrier group
    • Adjustable front and rear sights
    • Functional bolt release
    • Collapsible, 6 position crane stock
    • Realistic construction & field stripping

      Package Includes:

        • KWA LM4 RIS PTR GBBR Airsoft Gun
        • 1x 40 round gas magazine
        • Speed loader
        • Front sight adjustment tool
        • KWA Operators manual and documentation
        • KWA 90-day limited warranty form
        • Cleaning/unjamming rod

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