WBY AMMO .378 WEATHERBY MAGNUM 270GR. BARNES TSX 20-PACK WBY AMMO .378 WEATHERBY MAGNUM 270GR. BARNES TSX 20-PACKDimension: 1.40 X 3.90 X 6.40Height: 1.4000Width: 3.9000Length: 6.4000OTHER FEATURES:: VELOCITY: 3180 FPS CALIBER: .378 WEATHERBY MAGNUMBULLET TYPE: COPPERBULLET WEIGHT IN GRAINS: 270... MSRP: Was: Now: $149.04 Add to Cart