The Dye Ultralite™ Boomstick™ is the centerpiece of the Dye barrel line. Built from 6061 Aluminium with type II anodizing, the UL Boomstick™ is both lightweight and durable . The Original DYE barrel, set the standard for accuracy and quality nearly 20 years ago. The UL Boomstick™ carries on that tradition of performance and reliability. The UL Boomstick™ was developed specifically for the Ironmen, to quickly adapt to different paint sizes and weather at events. The Ultralite™ Boomstick™ provides the ability to easily change barrel length and bore size to match your particular performance requirements. The Ultralite™ Boomstick™ Backs are available in .680, .684, .688 and .692 Bore sizes.