Alpha Air "Hostile" - 15/4500 Air System w/ HP8 RegulatorThe HK Army Alpha Air System sets a new standard for lightweight performance in the paintball and airsoft industry. Engineered to be the lightest carbon fiber wrapped bottles ever released by HK Army, these tanks redefine weight and size without compromising on capacity. With a compact design that is smaller than other comparable tanks on the market, Alpha Air maximizes air storage without the need for oversized bottles. This innovative bottle sizing