Weatherby Select Plus 378 Weatherby Magnum 20rd Ammo


Category: Product ID: 5530


The .378 Weatherby Magnum was designed by Roy Weatherby in 1953. It was an original belted magnum design with no parent case, inspired by the .416 Rigby and headspacing of the belted .375 H&H Magnum. The 215 magnum rifle primer was developed by Federal specifically for this round.

Length: 9 cm
Case length: 7 cm
Rifling twist: 1 in 12
Bullet diameter: .375 in (9.5 mm)
Neck diameter: .399 in (10.1 mm)
Base diameter: .582 in (14.8 mm)
Shoulder diameter: .560 in (14.2 mm)


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