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KWA Full Metal KM4A1 / M4 Carbine Airsoft AEG Rifle (Package: Add 7.4V 20C 1300mAh LiPo Battery + Charger)

ID: 61399 (AEG-KWA-M4A1-wLiPo+Charger)
4.8 stars, based on 95 reviews
KWA Full Metal KM4A1 / M4 Carbine Airsoft AEG Rifle (Package: Add 7.4V 20C 1300mAh LiPo Battery + Charger)
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MAP ProtectedExempt From Coupons
The manufacturer of this product enforces a strict minimum advertised price (MAP) policy which excludes this product from any additional discount coupon codes. This item, however, may qualify for free shipping.
CanadaExport Compliant
This gun has a muzzle velocity rating (FPS) between 366 and 500, and is compliant for export to Canada.

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  • Variable Performance System: fully adjustable FPS through stock with provided quick change tool. Adjusts from 390 to 440 FPS
  • Full metal one-piece upper receiver, metal lower receiver, barrel assembly, metal buffer tube
  • V2.5 custom gearbox with upgraded high-speed gear set and an improved high-torque motor
  • Integrated switch life extender to prevent contacts from burning out
  • Rotary style hopup
  • PTS Enhanced Polymer Grip
  • 30/120rd magazine cut-off
The new KWA VM4A1 Carbine is the latest addition to the AEG ranks. This new model however, boasts KWAs new Variable Performance System (VPS), which takes the standard AEG to a new level of efficiency. Highlighted by a Switch Life Extender to minimize the wear and tear on trigger contacts, the AEG 2.5 provides Milsim & Field players the ultimate AEG rifle to outlast the competition. Additional new features include magazine cutoff compatibility combined with adjustable FPS for users to customize their KWA AEG rifle to their own specifications with the new VPS tool (included in every box).This updated classic takes the M4A1 model to a new level of performance with a one-piece full metal alloy upper receiver, a new rotary hop up and a PTS Enhanced Polymer Grip for added comfort. Rear-wired and Li-Po ready, the VM4A1 can still handle the extra power of LiPo batteries. The VM4A1 is also equipped with a reinforced metal gearbox utilizing KWAs unique 9 mm ball bearing bushing combination and case hardened, precision metal gear sets. Heavy duty springs and high-torque motors are matched for optimum results. The KWA VM4A1 Carbine was engineered to outperform the competition, offering ultra high performance and dependability straight out of the box.

Length: 825.5mm - 908.1mm
Weight: 3220g
Inner Barrel: 396.9mm
Magazine Capacity: 30/120rd Mid Capacity. Works with KWA M4 / M16 Series Airsoft AEG Magazines
Thread Direction: 14mm Negative
Gearbox: Ver 2.5 Full Metal
Motor: Long Type
Fire Modes: Semi/Full-Auto, Safety
Battery: 9.6v Small Butterfly Type recommended (Battery not included. Wired to stock with small Tamiya connector)
Hopup: Yes, Adjustable
Package Includes: Gun, magazine, manual, FPS adjustment tool, 7.4v LiPo battery. LiPo charger, LiPo safe bag

Manufacturer: KWA

About KWA

Established in 1988, KWA has been the leading designer and manufacturer of airsoft replica weapons for law enforcement and military training. Its reputation for quality, performance, and reliability makes KWA a recognized leader in professional airsoft products. In a time when airsoft development is focused on external replications and logos, KWA has been advancing airsoft technologies with the introduction of the NS2 Gas Blowback System and the 2GX Mechbox. Both product advancements increase the overall performance and reliability beyond all conventional standards of the industry. These products represent KWA’s commitment to excellence and passion for engineering products that simply outperform. KWA’s state-of-the-art manufacturing facility is located in Taiwan with an independent sales and distribution operation in the United States that services the Americas and all European Regions.

FPS Range: 390-440

California residents click here for Proposition 65 warning

95 Customer Reviews

(Write a review)

by Jerry P. on 04/19/2018
"Had this gun for three weeks - used it for two short optic zeroing sessions. First session went fine - but on the second shooting session the gun would not fire. There was no noise, clicks, or anything from the gearbox. Also, the fuse kept blowing when attempting to fire it. I replaced the fuse but no luck. Evike brought it in for RMA and said the motor was bad. How did a motor go bad on a gun with fifteen minutes of shooting time? This makes me question the reliability of the rifle.
by Danny J. on 01/13/2018
"Best airsoft rifle out there for anyone trying to go for tbat realistic army / usmc m4 look. Weights great. And with the kwa R.I.S i got from the kwa site it looks awesome. I run it with a real steel red dot sight the aimpoint pro and this thing is dead accurate. Definitely try .28 or .25 with this gun. Easy to adjust and customize and feels like a real m4. Use kwa 120 c magazines. The ones that say for aeg 2.5 or 3 with this rifle. Flash hider is easy to take off btw unlike other guns. Worth every penny. Believe the hype guys. Its awesome
by Andrew C. on 09/21/2017
"So just to get straight to the point, this gun is excellent. I haven't had it for long but I'm really liking it so far. Just to note one thing though I didn't buy this gun from evike. The gun has excellent internals and externals. The gun is very sturdy and the PTS grip is a big step up, in terms of comfort, over the standard M4 grip. Performance and accuracy have also been great considering that I've only used it stock. With a 9.6v battery, the ROF is very good. I rarely use full-auto but I'm sure the ROF is excellent with a lipo. The gun is quite accurate with .25 g bb's. I like the adjustable fps feature. Was able to get the fps right on 410 which is the limit of the field I go to usually so I can use heavier bb's and still get an fps above 360. My only problems are two things and they're pretty minor. First off, the design is very basic and boring considering the price. Secondly, it would be cool if KWA also included the Philips screwdriver needed to adjust the fps. My gun out of the box was shooting hot, at about 418 fps and I needed to ask the tech on the field for a screwdriver. Other than those minor things, I highly recommend this gun to intermediate players.

-PTS grip is very comfortable
-Accuracy is great out of the box
-Externals are very durable and well made
-VPS makes this gun very flexible. Use the quick change spring to put in a weaker spring and you can play this gun in CQB and field with no compromises OR make a DMR

-Can't adjust fps out of the box without a long screwdriver
-Very basic design

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