Custom Products Advantage BarrelThis barrel has a 0.689 Bore Size. Custom Products has done it again with the all new Advantage One Piece Pro Barrel. With the NEW redesigned porting and the New streamline exterior this barrel is sure set new standards when it comes to performance and looks in the world of paintball. All custom products barrels are Diamond Honed and Hand Polished for a mirror-like finish that is second to none.
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