Check the listing for details. HK Army Paintball Sonic/CTRL/Spire/GFX Hopper Epic Speed Feed PRO Blue. Condition: New. Listed at 28.95 USD. Fits on Sonic, CTRL, Spire 5, Spire 4, Spire 3, Spire IR, Spire IR2, GFX. Being sold by reputable paintball dealer (PB Sports ). Paint will easily load pod after pod through the rubber speed feed opening while being resistant enough to keep the paint within the loader.