Buffalo Bore Pistol Ammo Heavy 460 Rowland 185 Grain Jacketed Hollow Point Pistol Ammo 20rd. 460 Rowland is squarely at mid 44 magnum power levels. This means that a person can now carry a 1911 style combat pistol that has the power of a 44 mag. revolver but is slimmer faster to reload faster to shoot and holds nine rounds instead of a revolver's six. Specifications for Buffalo Bore Pistol Ammunition 35A/20 Heavy 460 Rowland 185 Grain Jacketed Hollow Point Pistol Ammunition: Manufacturer: Buffalo Bore Ammunition Caliber: .460 Rowland Number of Rounds: 20 Bullet Type: Jacketed Hollow Point (JHP) Bullet Weight: 185 grain Cartridge Case Material: Brass Muzzle Velocity: 1524 ft/s Primer Style: Centerfire