Armson Rifled barrels are the most accurate in paintball today! As the originator of internally rifled barrels for paintball guns, Armson has set the standard with 6061 T-6 aircraft aluminum construction, Polygon Progressive Internal Rifling, and a specially designed Barrel Vent to properly vent unspent CO2. Available in limited quantities. Get yours today. PRO-SERIES BARRELS are now BACK IN STOCK, at the lowest prices ever! We have more than we have been able to list. Call or Email us for a complete list.