Umarex HK 416 A4 GBB Airsoft Rifle Field Test Review

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Type: GBB Airsoft Rifle
Manufacturer: Umarex / KWA
Model: HK 416 A4
Materials: Mostly all metal.
Weight: 7.75 pounds (3.5 kg).
Total Length: 31.1-34.4 inches (79-88cm).
Barrel: 15.4 inches (39cm) non rifled.
Propulsion: Gas Blowback.
Action: Single action semi & full auto.
Ammunition Type: .6mm plastic Airsoft BB’s.
Ammunition Capacity:30 round magazines.
FPS: 400 fps.

In this Field Test Shooting video for the Umarex HK 416 A4 GBB Airsoft Rifle, I test it out to see what to expect in terms of velocity in fps by shooting several rounds through my Chronograph and averaging them out. I also shot the Umarex HK 416 A4 GBB Airsoft Rifle both in semi and full auto on a paper target setup 30 feet away to see if I can get a decent grouping in both semi and full auto.

I really enjoy shooting and testing out Gas Blowback Airsoft Rifles since most are generally AEG and don’t have all the recoil and blowback action. GBB Airsoft Rifles not only look and feel much more real, that blowback action simulates the trigger feel and shooting experience so much more. Compared to an AEG velocity is less consistent not only between shots but as you shoot the gas cools down the Airgun resulting in slower and slower velocity which is even more noticeable in full auto when using a GBB Airsoft Rifle. I would personally use the Umarex HK 416 A4 GBB Airsoft Rifle mostly in semi auto as it shot very reliably in semi auto, full auto is a bit chaotic and your accuracy really suffers in full auto. The Umarex HK 416 A4 GBB Airsoft Rifle is about as realistic as you can get to experiencing a real steel AR type Rifle but it is fairly expensive at the end of the day and in terms of perforce you will get more out of even a middle of the road AEG Airsoft Rifle. So if realism is more important than performance and lower cost, I would go with something like the Umarex HK 416 A4 GBB Airsoft Rifle.

Read my full written review here:
www.replicaairguns.com/posts/2025/5/8/umarex-hk-416-a4-gbb-airsoft-rifle-field-test-review

By the Umarex HK 416 A4 GBB Airsoft Rifle in Canada:
https://www.replicaairguns.ca/hk-416-a4-gas-bb-black-airsoft-rifle

Buy the Airsoft Rifles in the US:
https://www.replicaairguns.ca/airsoft-rifles