Popular Airsoft informed us on a great Airsoft HPA systems video review. HPA-powered airsoft guns are experiencing a revival, and it's now a homegrown business in the USA. Also getting more and more popular in Europe. HPA-powered airsoft guns are early generation airsoft guns and if you are familiar with classic airsoft guns, you'll know that these were mainly HPA-powered until Tokyo Marui did away with reliance on tethered airsoft guns with the introduction of the AEG and established the standard for airsoft AEG gearboxes.

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