PolarStar Airsoft at SHOT Show 2019 (UGS and CGS) 

The manufacturer PolarStar Airsoft showed some of their new and upcoming stocks and buffer tubes for HPA powered airsoft guns.
The product Universal Gas Stock (UGS) was recently released and they also showed some prototypes of their CO2 Gas Stock (CGS) which will be released later this year. More details later.

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