Planet Eclipse Shaft 6 S63 Starter Barrel SystemThe Planet Eclipse Shaft S63 Barrel system is an all new design for a 3 piece modular barrel! The Shaft S63 Barrels have been precision engineered to perfection and will become the essential barrel of choice for players who demand the very best from their paintball equipment. Utilizing Autococker threads, the Eclipse S63 Shaft barrel will work on a wide variety of markers as it is the most common threads used on markers today. While this Starter kit