Initially a wildcat cartridge developed by Roy Weatherby in 1959 at the request of the United States Army. This white-hot cartridge is based on the 378 necked down to 30 caliber and packed with powder. Originally billed as the world
| Manufacturer | Weatherby |
| Pricing Unit | BX |
| Model | Weatherby Select Plus Ammo |
| UPC | 747115449422 |
| SKU | M303195HCB |
| Width | 4.1000 |
| Length | 6.5000 |
| Height | 1.5000 |
| Weight | 2.0000 |
| Caliber | .30-378 Weatherby Mag |
| Boxes Per Case | 10 |
| Bullet Type | Hammer Custom |
| Bullet Weight | 195 GR |
| Casing Material | Brass |
| Muzzle Energy | 4503 ft lbs |
| Muzzle Velocity | 3225 fps |
| Rounds Per Box | 20 |
