Type: BB machine gun
Model: Steel Storm
Materials: Polymer shell, metal inner frame, metal trigger, mainly metal CO2 magazine
Weight: 2.8 pounds
Barrel: 7.5 inches, metal, non-rifled
Propulsion: CO2 x2
Action: Semi auto, fully auto - 6 round burst, blowback
Ammunition Type: Steel BBs 4.5mm
Ammunition Capacity: 300 in internal hopper, 30 in spring fed magazine (hopper gravity feeds magazine when spring retracted)
Trigger Pull: Very light.
Accuracy: Excellent in both single shot and 6 round burst mode!
Build Quality: This airgun is made in Japan and even though the external shell is made out of polymer, it still has a very solid feel.
Realism: This gun is not a direct replica but it does share similarities to the HK MP7A1 (4.6x30mm).
Comments: The gun is plastic based but seems to be well built and has some weight to it. The design and functionality is well thought out and for the price of under $100 you can't rally ask for much more .The rate of fire is fairly fast and there is only a small amount of blowback feel probably due to the weight of the gun. The Steel Storm is surprisingly loud, so shooting in a residential neighborhood may not be the best place to empty the two CO2 cartridges! I was able to get around 200 rounds from the dual CO2 cartridges, most of which were shot in full auto 6 round burst mode. It would have been nice to have the BBs in the pull out magazine but the gravity fed hopper makes more sense feeding into the internal lower 30 round spring fed magazine. The Umarex Steel Storm Full Auto CO2 BB Gun is very fun to shoot and is well worth the small amount of cost. So go get one!
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