BFR 454 Casull with 10-inch barrel. Maximum velocity from the Casull cartridge in a revolver frame. This configuration is primarily used for metallic silhouette competition at 200-meter distances. Type: Revolver Action: Single-Action Caliber: 454 Casull Capacity: 5 Year introduced: 1999, USA Weight: 68 oz Overall length: 16" Status: Active Intended use: Hunting