First String Crossbow String for Barnett Quad 400 Revolution - High PerformanceFirst String Crossbow String Barnett Quad 400, Revolution Upgrade your crossbow's performance with the First String Crossbow String designed specifically for the Barnett Quad 400 Revolution. Engineered to deliver unparalleled durability and reliability, this string ensures that you hit your target every time. Say goodbye to the frustration of serving separation and hello to consistent shooting performance. Crafted with advanced materials, the First