Freedom Arms Pre-production Series Field Grade .454 Casull. Offered circa 1986 as an edition of 250, this revolver is sequence number 20 (actual serial PP DF 20). As the subscriber could order their particular revolver configured to suit, this one is topped with a Leupold M8-2X EER set in a three-ring SSK TSOB mount. The standard front sight was also added, even though the rear sight is not included. The barrel length is 7.5 inches long. CASE: The revolver rests in a carefully-fitted solid oak presentation case with felt lining. The inscription “454 Casull Field Grade Pre-Production Series One of Two Hundred Fifty” is engraved on a metal plaque. Two keys and the original manual are included. CONDITION: New and unfired. Even the case is pristine.