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You have entered the Old School Challenge. The largest and most competitive pump series in the world. The OSC Serves the paintball pump community by providing 3-player, 5-player, 7-Player and Scenario games all geared towards the pump player. We are the most aggressive series of our kind. For pump and stock class play we are the proving ground. The best pump teams in the world compete in the Old School Challenge. If you are just starting out or an Old School Pumper from back in the day: WELCOME HOME!

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www.oldschoolchallenge.com® Old School Challenge® and the Splat Ying Yang are all registered Trademarks of Kristen Kleist. 
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the Old School Challenge is a feeder series for the USPL