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Elite Force Gas Magazine Rebuild Kit (Gun: KWC 1911)

ID: 56521 (Part-EF-2211077)
Elite Force Gas Magazine Rebuild Kit (Gun: KWC 1911)
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KWCElite Force / UmarexCybergun / Spartan Mil/LEASG


MAP ProtectedExempt From Coupons
The manufacturer of this product has a strict minimum advertised price (MAP) policy for this product which excludes it from any additional discount coupon codes. This item, however, may qualify for free shipping.


  • Rebuild kit allows the user to rebuild/maintenance their KWC CO2 1911 magazine
  • Includes all components needed to rebuild one KWC 1911 magazine
  • Factory OEM components

Manufacturer: Elite Force


Compatibility: For ASG, Elite Force, Cybergun, Dan Wesson, Umarex 1911 Gas Pistol series by KWC

About Elite Force / Umarex

Since 1972 Umarex has created a world of adventure for sport shooters, recreational shooters and hunters. Its high-performance, high quality models permit training under highly realistic conditions.

About Cybergun / Spartan Mil/LE

Cybergun is the world leader in designing and distributing replica dummy weapons for video game aficionados, sport or outdoor shooting, and collectors.

About ASG

ActionSportGames is a worldwide leader in the business of replica firearms and accessories manufacturing including Airsoft guns, Airguns, CO2 guns and firearms replicas. We specialize in 1:1 scale replica guns and accessories for fun, action, sports, entertainment and collection. Today were proud to be recognized as the innovator and manufacturer of the CZ EVO3 A1 AEG and having introduced several Airsoft versions of this popular Airsoft gun to the market.One of our goals is to become the preferred supplier in the firearms replica business through worldwide license agreements, quality brands and premium service before, during and after sales.

9 Customer Reviews

(Write a review)

by Jonathan G. on 03/24/2022
"I bought this kit for the replacement valve only. I planned to use it to rebuild a 1911 that shoots BBs instead of Airsoft. The dimensions of the valve were exactly the same, and when I replaced it, the new one leaked. I watched this video from Elite Force on rebuilding the valve on a 1911(, and it explains that the included o-ring needs to be installed for the valve to seat on. I don't remember removing one from the original valve, but this was the "silver bullet". After installed the o-ring, the magazine holds air.

This was done on a Sig Sauer We The People 1911 BB Gun. It is also compatible with the Tanfoglio 1911 and numerous others.
by Matthew V. on 01/30/2021
"All stock KWA parts. No thrills....I have one of the KWA MP7s from before Umarex’s license with H&K became exclusive. It has been my main primary for about 10 years or so. People have told me that the KWA is not any good, because they heard from a friend in a forum from somewhere, where it’s ok to throw your gun down the stairs and say it’s a piece of junk.....My gun has run flawlessly for close to a decade, thousands of rounds, without failure or expensive upgrades. I have 4 flawlessly running 40 round magazines and a 20 rnd one with a leaking fill valve and base gasket. So I bought the kit. Fill valve is the same as the 40 rnd, but the base gasket is smaller....

Pros: all KWA oem parts that work.

Cons: does not fit the 20rnd magazine
by Jacob K. on 04/19/2019
"These are an amazing solution to leaky mags, i have three mags 2xregular size and 1x extended magazine I used the kit on all of them and it fixed there pesky leaking . 2 of them were completely useless i would tighten the co2 in and they would expel all of the gas out the top untill i rebuilt them that is! this is an amazing product when used properly. Keep in mind the co2 puncture part is counter clockwise. and the spring is obviously not going to work with the extended mags but they often don’t wear out anyway. DONT THINK TWICE END YOUR LEAKS HERE. NO NEED TO BUY NEW MAG WHEN YOU CAN FIX YOUR ORIGINALS . :)

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