Looking to start with one barrel but grow as you go? That's just what the Freak Jr. was built to do. With a straight back. standard bore insert and straight ported front the Freak Jr. can be upgraded with all American or Freak Fronts and Freak Inserts to become a complete barrel system. Get started with the Freak Jr. or the Freak Jr. Kit which includes 3 inserts and a protective carrying case. FeaturesStraight ported front 14 Inch length .693 bore size insert