Caliber: .357 Magnum, .44 Magnum. Capacity: 6 rounds. Barrel: 5, 7.5 in. Grip: Standard rubber, Bisley, white polymer or black micarta. Sights: Adjustable rear, fixed front. Weight: 3.5, 3.65 lbs. Features: Made entirely of super tough 17-4PH stainless steel, BFRs are made in the United States and were designed from the outset to handle powerful revolver cartridges. The pre-eminent single-action hunting revolver. Two grip frame options available: a standard plow handle with rubber grip, and Magnum Research iteration of a Bisley with white polymer or black micarta grips.