The Empire Pipe Barrel Back offers stunning accuracy due to a long 7.5 inch bore and a mirror-honed internal polishing. That polishing also allows you to shoot the barrel clean, since paint won't stick inside.  Having a choice of barrel back sizes makes it even better by allowing you to match the size of the paintballs you shoot to the diameter of the back.  A perfect match creates a super-accurate and efficient barrel system that is unrivaled in paintball.

Features:

• Barrel back for Empire Pipe barrel or Driver XX barrel
• 7.5 Control bore delivers unparalleled ball accuracy
• Mirror honed internals for a precision surface
• Polished internals let you shoot your barrel clean
• Includes silver accent ring
• Autococker thread
• Size: 0.693