Buffalo Bore Ammunition Buffalo-Barnes Lead-Free 44 Rem Mag 200 Gr Barnes. lead free loads. They will work well for game animals up to about 350 lbs. Since the light weight bullet develops low recoil and very high velocities it should serve extremely well as an anti-personnel/defense load. Specifications for Buffalo Bore Ammunition 4K/20 Buffalo-Barnes Lead-Free 44 Rem Mag 200 Gr Barnes: Manufacturer: Buffalo Bore Ammunition Caliber: .44 Remington Magnum Number of Rounds: 20 Bullet Type: Jacketed Hollow Point (JHP) Bullet Weight: 200 grain Cartridge Case Material: Brass Muzzle Velocity: 1500 ft/s Application: Protection Primer Style: Centerfire What is Buffalo Bore Ammunition 4K/20 Buffalo-Barnes Lead-Free 44 Rem Mag 200 Gr Barnes good for? The manufacturer says that it is suitable for protection.