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Mfg Item #: B303165TTSX
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.
| Series | TTSX |
|---|---|
| Caliber | 30-378 wthby mag |
| Application | Medium-Large Game |
| Bullet Type | Barnes Tipped TSX Lead Free |
| Bullet Weight | 165 gr |
| Muzzle Energy | 4362 ft lbs |
| Boxes Per Case | 10 |
| Rounds Per Box | 20 |
| Casing Material | Brass |
| Muzzle Velocity | 3450 fps |
| Unit Of Measure | box |