Gold Tip ULTENT500S Ultralight Entrada Shafts 500 1 doz Arrows. The Easton Sonic 6.0 is a 6mm high-performance hunting arrow engineered with high-performance speed and hunting accuracy in mind. The Sonic 6.0 is built from scratch in the USA using Easton's seamless Acu-Carbon process for 100% weight and spine consistency from shaft to shaft and from dozen to dozen.