Other Details Manufacturer: Weatherby Manufacturer Part Number: B333225TTSX Application: Hunting Boxes Per Case: 10 Bullet Type: Barnes Tipped TSX Lead Free Caliber/Gauge: .338-378 Weatherby Magnum Case Material: Brass Dimension: 1.55 X 4.20 X 6.50 Grains: 225 gr Muzzle Energy: 5052 ft lbs Muzzle Velocity (fps): 3180 fps Other Features: VELOCITY: 3180 FPS Reloadable: Yes Units per Box: 20 Cost per Round: 7.82