SP Freak Jr. Barrel-AC + SP Freak Boremaster Kit The Freak Jr. retains the core performance of the Freak: bore interchangeability. Bore sizing is the most critical of all performance aspects. Without proper paint to barrel matching, you get paint breakage erratic velocity. The Freak Jr. is the cure for the bore sizing problem. Using removable Freak bore inserts, you can always have the right barrel size. + Freak inserts are subjected to the same rigorous honing and hardcoat anodizing as all Smart Parts barrels. Freak Boremaster Kit: sizes : .679/ .682/ .684/ .687/ .689/ .691/ .693/ .695 Origen: Usa Rosca : A5, M98, Autococker, SP Stock: NO Disponible Precio: $AR 0