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KWA K120C Variable Capacity 30 / 120 Round Magazines for KWA ERG / AEG2.5 / AEG3 Rifles (Qty: 3 Pack)

ID: 70629 (MAG-KWA-RM4120x3)
4.3 stars, based on 3 reviews
KWA K120C Variable Capacity 30 / 120 Round Magazines for KWA ERG / AEG2.5 / AEG3 Rifles (Qty: 3 Pack)
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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.


  • Injection molded polymer construction
  • Ribbed shell provides a superior grip
  • Adjustable between 30 and 120 rounds
  • Pack of 3
Compatibility: KWA ERG / AEG 2.5 / AEG 3 AEG rifles
Capacity: 30rds / 120rds, selectable
Materials: Injection molded polymer

Manufacturer: KWA

Why Mid-Cap Magazines?
Mid-Capacity magazines offer stealth operation by eliminating BB rattle often experienced with Hi-Caps. They feed smoother than Hi-Caps due to their high tension internal spring, similar to a real steel magazine. Since 470 round Hi-Capacity magazines don't exist in real life, a good amount of Mil-Sim players prefer Mid-Cap magazines for an even more realistic type of gaming experience.

Due to the design of all Mid-Cap magazines, they actually function better once you break them in. To do so spray some light silicone oil into the magazine, load and unload it a few times until BB's feed smoothly. This process breaks in the internal spring allowing it to function without problems each and every time.

About KWA

Established in 1988, KWA has been the leadingdesigner 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 KWAs commitment to excellence and passion for engineering products that simply outperform.KWAs 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.

3 Customer Reviews

(Write a review)

by Felipe E. on 08/03/2018
"Not much to say except so far no feeding issues with the mags and the selector switch operates as they should they have been thrown in the dirt dragged through the dirt on my plate carrier taken direct hits on full auto at 10/15 yards and they are still kicking and operating the bolt catch feature which by the way is sturdier than it looks and seems. Definitely carrying more of these on my load out.
by Dean B. on 04/29/2021
"Fit great in my CYMA M4 but won’t fit properly into my Valken Echo. They will go into the mag well but won’t easily come out. Overall they’re good mags.
by Daniel M. on 10/14/2017
"Just ordered these mags for my new KWA. I heard that the erg works best with these so you can get the functional stop firing mode like a Gbb. Only thing is that they are kind of expensive but really well made. You can switch it from 120/30 rounds on the bottom with the switch so that's cool for realism.

Nice quality
120/30 for realism
Follower goes all the way up for last shot

Kind of expensive at around 16$ a mag

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