Caliber: 357 Magnum, 44 Magnum, 454 Casull, 480/475 Linebaugh, 500 JRH, 500 Linebaugh. Capacity: 6-round cylinder. Barrels: 5”, 7.5”. Grips: Standard rubber, Bisley, white polymer or black micarta. Sights: Adjustable rear, fixed front. Weights: 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. 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.