400 Joule: World Record Homemade Arrow Shooter

Link to pump: Further work on the overthebarrel air powered arrow shooters has just raised the bar for portable, muscle operated arrow, bolt shooters: This lightweight (2. 5 lb) airbow shoots a heavy (50 oz) aluminum and steel arrow at 246 feet per second. It beats the most expensive and powerful commercially made crossbows by a huge margin. A The Slingshot Channel Production