With lots of upgrade options for the Hi-Capa Gas Blowback series, especially those made by Tokyo Marui, sometimes it's hard to choose which ones to get. To help you with the clutter, here is Laylax Marck to show you the top 5 Hi-Capa upgrades... "As an airsoft manufacturer, we think its important we highlight some of the best upgrade parts for you Hi-Capa pistol."