Freak Power PWR Boremaster Barrel Insert KitFreak Power PWR Boremaster Barrel Insert Kit The Freak insert system has been the standard in the paintball industry for over two decades. Now behold the new Freak Power inserts. These are compatible with the PWR inserts, fronts and backs that have been recently introduced by numerous other manufacturers. The new Freak POWER inserts offer a better product at a reasonable price. The inserts are protected by the included high quality roll pouch, secured