Why waste time refilling your blaster when you can keep a backup cartridge in your pocket? Stay on the field and in the heat with the Dart Zone Max 15-Round Half-Length Cartridge. Each cartridge in this accessory pack holds 15 rounds of Half-Length Darts and includes 15 Half-Length “Ember” Darts to give you the ultimate foam-flinging advantage. “Ember” Darts deliver pinpoint accuracy and ultimate speed — slide the cartridge into place and send these darts sailing up to 125 feet per second! This accessory pack is compatible with the Adventure Force Tactical Strike Nexus Pro, Conquest Pro, and Aeon Pro, as well as the Dart Zone Max Stryker and Dart Zone Pro-Series MK-3. Recommended for ages 14+.