Check the listing for details. HK Army GFX Gravity-Fed Paintball Hopper Loader (Black). Condition: New. Listed at 19.95 USD. HK Army GFX Gravity-Fed Paintball Hopper Loader (Black) The 200-round capacity GFX loader is the best gravity fed loader on the market. The loader was designed to be a reliable and continuously feed paintballs into the marker without having to shake the loader. The integrated Vent Guiding ramp helps prevent ball stacking in the feed neck area which typically is the main cause of jams inside the loader. Other unique features include the lightweight, low-profile design with quick change spring loaded lid which allows you to easily upgrade the lid system to our EVO speed feed. Features: 200+ Round Capacity Feeds 8+ Rounds per second Low Profile design Integrated Vent Guiding Ramp (prevents jams and provides consistent feeding) Polishing accent detailing