It's a Top 10 this time from USAirsoft rather than the usual Top 5 video. He comes up with a list of 10 Hi-Capa Gas Blowback Pistol Builds that their owners have lovingly put together. The most configurable airsoft pistol in the market, the Hi-Capa is preferred by airsoft practical shooters. To build one, it will take some moolah to come up with something really respectable.