KWA Full Metal LM4 PTR Gas Blowback Airsoft Training Rifle

SKU: 103-00201
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Model: LM4
$420 $430
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One of the most anticipated KWA release of the year. The KWA LM4 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 and buffer tube made of a high-grade aluminum, while the pistol grip, LE stock and hand guard 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 and barrel
  • Reinforced polymer hand guard, stock and pistol grip
  • Variants:
    • LM4 - 103-00201
      • Velocity: 360 - 375 FPS w/ .20g BBs
      • Rate of Fire: 12-14 RPS
      • Length (extended): 33.75" / 857.25 mm
      • Length (retracted): 30.50" / 774.7 mm
      • Outer Barrel Length: 14.50" / 368.3 mm
      • Inner Barrel Length: 14.57" / 370.07 mm
      • Weight: 7.12 lbs / 3.22 kg
      • Traditional M4A1 configuration with 2-piece polymer hand guard, removable carry handle rear sight & 6-position adjustable LE stock
    • LM4C - 103-00203
      • Velocity: 335 - 360 FPS w/ .20g BBs
      • Rate of Fire: 12-14 RPS
      • Length (extended): 30" / 762 mm
      • Length (retracted): 26.75" / 679.45 mm
      • Outer Barrel Length: 10.70" / 271.78 mm
      • Inner Barrel Length: 9.76" / 247.90 mm
      • Weight: 6.59 lbs / 2.89 kg
      • Compact 10.7" barrel is ideal for CQB fields and training
    • LM4 RIS - 103-00215
      • Velocity: 380 - 395 FPS w/ .20g BBs
      • Length (extended): 32.39" / 822.70 mm
      • Length (retracted): 31.50" / 800.10 mm
      • Outer Barrel Length: 14.50" / 368.3 mm
      • Inner Barrel Length: 14.57" / 370.07 mm
      • Weight: 7.61 lbs / 3.45 kg
      • Full metal 7" quad rail system for mounting of accessories right out of the box
      • 6-position adjustable crane stock for a more comfortable check weld when aiming
  • System: KWA / KSC Force Velocity System
  • Power Source: Green Gas
  • Fire Modes: Safe, Semi & Full Auto
  • Adjustable hop up system
  • Railed upper receiver for mounting scopes and optics
  • Full cycling bolt carrier group
  • Adjustable front and rear sights
  • Functional bolt release
  • Retractable 6-position stock
  • Realistic field stripping and breakdown for maintenance
  • Realistic blowback action for realism and training
  • Backed by KWA's 90-day limited warranty

Package Includes:

  • KWA LM4 PTR GBBR Airsoft Rifle
  • 1x 40rd LM4 airsoft magazine
  • Speed loader
  • Hop-up adjustment tool
  • Front sight adjustment tool
  • Instruction manual
  • Warranty information
  • Cleaning/unjamming rod

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