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Weapon Shield 90

  • EXTENDED Industry Leading 90 Day parts and defects warranty
  • Covers for all repair work
  • Comprehensive Tech Support
  • Priority processing time, Ships within 1 business days
  • Shipping Insurance
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Weapon Shield Extended 135

  • TRIPLE EXTENDED Industry Leading 135 Day parts and defects warranty
  • Covers for all repair work
  • Comprehensive Tech Support
  • Priority processing time, Ships within 1 business days
  • Shipping Insurance

+ Tech Inspection

  • FPS Chronograph Certification
  • Gearbox Cleaning
  • Gearbox Lubrication
  • Fuse Replacement
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AMS Standard 45

  • Industry Leading 45 Day parts and defects warranty
  • Covers for all repair work
  • Comprehensive Tech Support
  • Standard processing time, 1-2 business days

AMS Proshop Warranty Options

Airsoft Megastore is proud offer our customers the most comprehensive warranty options in the industry. Orders are processed within our standard 1-2 business days from the date of purchase and shipped out with your selected shipping method (chosen at checkout). All accessories and upgrade parts are shipped within their manufacturer's packaging, to best protect each part during shipping. Upon arrival, the player will need to easily attach their own parts. Please be careful not to void your warranty by opening your gearbox, or damaging any of the accessories, as they are not covered under any warranty.

We suggest that anyone investing in a gun from our custom proshop purchase a weapon shield protection plan. There's no sense in spending your hard earned cash on something this awesome and then be at the mercy of the manufacturer's limited parts warranty. Purchase a weapon shield plan, 90 or 135 day plans to protect your airsoft investment. Our 135 day plan includes an inhouse tech service that you have 135 days to use. Our techs will do a clean up that should keep your airsoft investment running like the day you got it. All Weapon shield customers are prioritized for order processing as well as other services. Join the our satisfied Weapon Shield customers today!

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KWA Full Metal LM4C Airsoft M4 CQB Gas Blowback Training Rifle

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$339.95Guaranteed Lowest
  • Model: M4
  • Muzzle Velocity: 390 FPS
  • Build Material: Metal Receiver, Outer Barrel
  • Weight: 6 lbs
  • Overall Length: 26.5" in. / 29.75" in.
  • Inner Barrel: 248 mm
  • Propellant: Green Gas
  • Magazine Capacity: 38 rounds
  • Color: Black
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Must Haves

BBsExtra MagazinesFace & Eye ProtectionGun BagUniversal Tactical Sling

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Other AccessoriesScopes and Optics

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NOTE: This item follows MAP and does not qualify for any promotions that discount price. See available deals.

Our Promise:  KWA airsoft guns are renowned for their world-class performance and exceptional build quality.  With an exceptional 45-day factory warranty and LIFETIME tech support offered directly through KWA, we feel most qualified to be YOUR premier KWA dealer.  In addition, you are guaranteed to pay the absolute LOWEST price on the market for your new KWA rifle, backed in writing by our industry-leading 125% Lowest Price Guarantee.

Our take:  The most anticipated CQB Gas Blowback Rifle is finally here!  KWA’s NEW LM4C PTR (Professional Training Rifle) is the most realistic airsoft compact carbine on the market, without question.  From its authentic design to its realistic operations, the LM4C PTR is in a league of its own.  Faithfully mimicking real steel M4 operations, this KWA LM4C is perfect for real world training.  Not only does this compact gas blowback rifle operate nearly identically to a real steel M4, it also field strips (disassembles) just like a real AR platform.  This makes it easy to clean and repair the LM4C PTR without the use of tools, which is especially helpful out on the field.

KWA has redeveloped their renowned NS2 system and made it compatible for larger scale gas blowback rifles. The new system, aptly named the “Force Velocity System”, gives the KWA LM4C PTR vastly superior power, recoil, and gas efficiency compared to other gas blowback airsoft rifle on the market.  These truly amazing gas blowback rifles are available in limited quantities, so pick up yours today and join in the evolution of airsoft!

Flawless External Design
This NEW KWA LM4C PTR is the compact version of KWA's renowned LM4 Carbine.  The LM4C PTR is the most accurate compact M4 replica to date; with an exterior crafted from CNC aluminum and designed to withstand real world training situations.  The LE stock and pistol grip are constructed of high grade impact resistant nylon polymer, just like a real M4 carbine, giving the LM4C PTR a truly authentic look and feel.  Additionally, the LM4C PTR features a top optics rail for attaching a variety of red dot sights and magnified scopes, increasing the effectiveness and tactical look of the carbine.  The six position retractable LE stock allows you to quickly shorten the length of the LM4C PTR, for CQB applications.  With front, rear, and buffer tube sling mounts, the KWA LM4 PTR is compatible with nearly any sling for any scenario.

What really sets the KWA LM4C PTR apart from other gas blowback rifles on the market is its hyper realistic feel and functionality.  Slapping the bolt catch sends the functional bolt home with a snap, closely copying the feel of a real M4 carbine.  Just like a real M4 carbine, the LM4 PTR stops firing once the magazine is empty, and locks the bolt to the rear.  This is perfect for real world training simulations, allowing you to train accurately with a high power premium airsoft rifle.  Also similar to a real M4 carbine is the trigger assembly and selector group, which only allows you to switch to “safe” after the bolt has been charged.  These extremely realistic functions, combined with a flawless exterior, truly make the KWA LM4C PTR the best choice for close quarters tactical training and MILSIM airsoft players.

New Innovative Internals
The KWA LM4C PTR utilizes KWA's proven “Force Velocity System”, which adapts and improves KWA’s renowned NS2 gas blowback system for larger, more powerful gas blowback rifles and sub-machine guns, giving them greater reliability and hard kicking recoil!  KWA’s “Force Velocity System” also greatly enhances gas efficiency, allowing you to fire up to three magazines worth of rounds from a single gas charge!  Firing the KWA LM4C PTR gas blowback rifle for the first time can startle you with its hyper realistic recoil, providing as much kick as a buffer tube equipped .22LR rifle!  This enhanced recoil feature is perfect for airsoft players and professionals who want to train with a system that closely mimics the kick of a real firearm.

Unlike many other airsoft gas blowback M4 carbines, the KWA LM4C PTR features a robust full metal bolt, with a reinforced piston, and a full metal feeding lip!  What does this mean for the user?  It means that this bolt is built to withstand intense real world training simulations, and is much less prone to chip or wear over time!  With a high flow KWA patented piston and jet nozzle, this gas blowback carbine fires at an incredible velocity (380-410 FPS w/ 0.20g BB’s), with a realistic rate of fire.  The hop up system is very similar to KWA’s NS2 system, which can easily hit targets out to 170 feet using 0.30g BB’s.  This is perfect for airsoft players who are tired of airsoft guns with shorter range, and want to knock down targets at close to realistic ranges.  With re-engineered, enhanced, and reinforced internals, the KWA LM4C PTR is truly designed for professional training, and can easily handle the most intense airsoft combat!

Whether you are a military/ law enforcement professional or a weekend warrior, the LM4C PTR is designed to closely replicate the feel and functionality of a real M4 carbine, helping you train accurately for a fraction of the price of real steel training equipment.  This KWA LM4C PTR truly is the next step in the evolution of airsoft.  Don’t miss out on your opportunity to own one of the most game changing airsoft guns on the market!

- KWA Force Velocity Gas System
- Adjustable front and rear sights
- Full Metal 11.14" in. outer barrel
- Precision 6.05mm diameter inner barrel
- Full metal CNC aluminum upper and lower reciever
- CQB single point sling mount
- Removable "chopped" rear iron sight
- Top optics rail
- 6 position LE collapsible stock
- Semi and Full Auto
- Adjustable Hop-Up
- 45 Days Product Warranty [US only]
- Lifetime Tech Support

- Overall Length [Retracted/Extended] = 26.63"/29.75" [67.6cm/75.6cm]
- Outter Barrel Length = 11.14" in./ 283mm
- Barrel thread = 14mm* [Counter clock wise]
- Inner Barrel Length = 248mm
- Inner Barrel Diameter = 6.05mm
- Hop-Up: Adjustable
- Magazine Capacity = 38 Rounds Green Gas magazine included
- Caliber = 6mm Airsoft BB
- Velocity = 385-402 FPS** with .20 gram BB's
- Rate of Fire = 13-15 RPS**
- Power = Green Gas
- Weight:  6lbs

Package Includes: 1x KWA LM4C PTR Airsoft GBBR Compact Carbine, 1x 40rd KWA M4 GBBR Magazine, instruction manual
* Orange tip flash hiders are required for all US sales or where applicable by law.
** Individual test results may vary depending on brand of bbs, and chronograph used.

NOTE:  DO NOT USE PROPANE, RED GAS, or HFC 134a Gas with this KWA product. Using any gas other than Green Gas with this KWA Gas Blowback will void the manufacturer's warranty, and can cause irreparable damage to the rifle.

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Product Reviews

5 KWA Full Metal LM4C Airsoft M4 CQB Gas Blowback Training Rifle *****

"As late as this bit of news is, understandable, but I purchased two Black Friday Mystery Boxes and little did I expect to get this beauty in the mail! This rifle is amazing in every aspect including the body and build as well as its startling out of the box accuracy! KWA makes probably the best in PTR's ever in my honest opinion! The dismantling and reassembly of the rifle just immediately clicked after time with my old Sig AR-15 and even for out of the box, was quite clean and well designed for the NS2 system in mind. If I truly had the money for which I wish I paid full price for this beauty, it is truly a fantastic and beautifully designed rifle! Thank you very much Airsoft Megastore!"

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5 KWA Full Metal LM4C Airsoft M4 CQB Gas Blowback Training Rifle *****
Solid gun

"This rifle is amazing! Out of the box it shot well and kicked like a mule. The feel of the weapon is supurb, the nylon poly feels solid and the handguard has no wobble whatsoever. You can get around 60 shots per gas fill. The stock latches into place easily and dosent slip. No mag wobbly at all. Bolt catch works like a dream... IF YOU HAVE THE MONEY BUY IT NOW!!!!!!!!"

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Great customer service, really worked with me.
The rifle I purchased came unable to work, I was able to send the item back and they sent me a band new one with no cost me. Also, their tech service was great as well!! Jasoncampbell, USA
Great customer service, really worked with me.
The rifle I purchased came unable to work, I was able to send the item back and they sent me a band new one with no cost me. Also, their tech service was great as well!! Jasoncampbell, USA
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The gunbuilder was very useful and made it easy for me to buy my first mid/high spec gun for just about $300. It gave me comfort in that i can get more parts to switch out at a later time if i wish to change anything about my rifle and that there will be compatible parts for any modifications i choose to do on it. The gun came in full working order and the hopup was even adjusted to be perfect right out of the box. I could easily hit targets over 150ft away constantly. Johnmstopka, USA
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Every time I purchase from Airsoft Megastore I am very satisfied with my order. It arrives on time and the deals are excellent. AMS is probably my go to place for airsofting equipment, especially when I'm itching to add another gun to my collection! macawilliams12, USA
Mega store has been great I've been usen them for 3 years now never no problems. Great products and service fbfzh2005, USA
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