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Umarex 40rd Magazine for KWA H&K MP7 Airsoft GBB SMG

ID: 31911 (MAG-KWA-MP7-40)
Elite Force / Umarex723364790218227902131911
4.6 stars, based on 7 reviews
Umarex 40rd Magazine for KWA H&K MP7 Airsoft GBB SMG
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Elite Force / Umarex


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.


  • Metal construction
  • 40 Round capacity
  • High tension spring ensures reliable feeding

Manufacturer: Umarex (OEM: KWA, licensed by H&K)


Compatibility: For KWA H&K MP7 series Airsoft SMG GBB rifles (Not compatible with VFC MP7's)
Capacity: 40rds
Gas Type: Green gas, propane

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.

'Modification of Green Gas and CO2 magazines to use aftermarket HPA fittings and valves will void all included warranties due to the potential risk of damage from exposure to High pressure and misuse.'

7 Customer Reviews

(Write a review)

by Anthony U. on 08/31/2023
"I haven’t found a more reliable gas magazine than these. Excellent gas efficiency if the gun is working properly. The feed lips hold up great and they are extremely well built. Just remember to press the lock button on the follower after loading all 40 rounds. I keep forgetting…
by Koen S. on 09/08/2021
"Great mags, they can shoots about 80 rounds and then run out of gas
by kevin l. on 04/19/2014
"These mags are great and are pretty gas efficient, but I live in San Diego. I've dropped one of these mags on the dirt ground from like 2 and a half feet up and it still works perfectly. On a regular day in SD, I can get like 1 and a half mags out of one gas fill. I use a dump pouch with these and they still work fine despite being knocked around.

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