The Ruger Bisley Flattop models are a series of single-action revolvers that combine Ruger's classic flattop frame with the ergonomic Bisley grip, hammer, and trigger configuration. The flattop frame refers to the revolver's top strap design, which is flat and lacks the protective "ears" found on some other models, giving it a sleek appearance reminiscent of early Colt revolvers. The Bisley grip frame is designed to provide a lower, more natural hand position, which helps manage recoil and improve accuracy, especially with heavier calibers. These revolvers are typically offered in various barrel lengths, commonly ranging from 4.62 to 5.5 inches, and are chambered in popular calibers such as .357 Magnum, .44 Special, and .45 Colt. The combination of the flattop frame and Bisley grip makes these models particularly favored among shooters who appreciate a blend of traditional aesthetics and enhanced shooting comfort.