Date: 8/8/2020 10:52
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KWA LM4 RIS PTR Metal Gas Blowback Airsoft Rifle

5.01 review

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KWA Full Metal PTR LM4 Airsoft Gas Blowback Gas Blowback Rifle

  • Full Metal Construction
  • Realistic Field Stripping and Design
  • Adjustable Front and Rear Sights
  • Railed Upper Receiver perfect for optics
  • Retractable 6-Position LE Stock
  • 7" machined RIS handguard. Accepts most 20mm accessories
  • Weaver/Picatinny optics rail, Quad Weaver accessory rail
  • Green Gas
  • Muzzle Velocity: 390~410 FPS (Measured with 0.20g BBs and Green Gas)
  • Adjustable Hop-Up
  • Fire modes: Semi/Full-Auto
  • 40rd capacity
  • Adjustable overall length 30.5-33.9"

Go toe to toe with the best skirmishers with the KWA LM4 RIS PTR.

The KWA LM4 Professional Training Rifle (PTR) is a gas blowback AR based on the ultimate warfighter rifle--the M4.  Load up with green gas and send your foes scrambling for cover.  WIth a fire speed of 13+ rounds per second, load up your 40rd magazine and blast away at speeds up to 390 fps.  Each LM4 features KWA's all-new hop-up system to deliver accurate shots over longer distances.

Able to put up with the abuse of heated airsoft skirmishes, the LM4 is built with a durable aluminum alloy receiver which includes a steel reinforced bolt carrier for strong reliable feedback.  Each can be set to your preferred length of pull with a 6-position adjustable buttstock. Likewise, the lower receiver can accept AR15 pistol grips and trigger guards for the most realistic experience possible.   Its removable rear sight can be used for shooting straight out of the box, or shooters can mount their own optics to the Weaver/Picatinny rail.  With a distinctive modular design, fans of accessories will be happy to see a quad accessory rail for mounting endless combinations of grips, lasers, and flashlights.


other products by KWA

Max Velocity390 fpsMeasured with .20g ammo
Barrel Length14.5"
Overall Length32.0"
Shot Capacity40
Front SightPost
Rear SightAdjustable for windage & elevation
Suggested forSkirmishing
MaterialFull metal
Body TypeRifle
Weight9.2 lbs

other products by KWA

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By Gordon from USA on 2018-05-16
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Things I liked: I don't play airsoft games; I just wanted a realistic replica to learn and practice with this style of rifle. I have several KWA pistols and like them. This rifle looks right and feels right to me. It is more accurate than I am. I've fired about 300 rounds through it and like it so far.

Things I would have changed: There is a problem with the magazine in that you cannot tell how many BBs have been loaded or how many remain in the magazine -- the magazine is a black box; this is a design flaw. You'll find yourself doing a lot of counting. Also, the tiny Oring in the gas charging valve quickly blew off (I guess) and gas charging after the first charge became a very leaky process. Strangely, Pyramyd Air does not sell replacement Orings. Seems like KWA should include an extra Oring or two with each magazine. Fortunately, I managed to find another source for Orings. To Pyramyd Air: You really should sell replacement Orings for gas charging valves.

What others should know: My LMR was shipped without an instruction manual. This wasn't a particular problem as I quickly found a copy of the missing manual online at KWA. Fortunately, this is a simple rifle to operate. However, the omission of the manual made me realize that some of the packing inside the KWA box was missing as well. So I suspect that my rifle had been opened, "inspected" and repacked. The rifle was shipped double boxed and seems to be in good condition and complete with all parts except the manual. It works well; however, I'm uncomfortable about the missing manual and packing. I had previously acquired a KWA "speed loader" and it works very well with these magazines. Strangely, the KWA speed loader also was shipped without instructions. I'd been using it in a hacked up manner with pistol magazines but managed to figure out how to use it with these rifle magazines. However, as noted previously, you cannot tell how many BBs have been loaded.


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    Item Description

    KWA103-00215 [PY-4570-8920]

    Max Velocity390 fpsMeasured with .20g ammo