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| This Wildcat Cartridge was designed in the mid 1950s, by R. (Rocky) E. Gibbs. It is a 30-06 cartridge case blown out and the shoulder angle increased and neck shortened to increase powder capacity. Mr. Gibbs called it " The Worlds most powerful 30-06." The larger case capacity (an average of 7 grains more powder) gives a 150 grain projectile a velocity of 3,285 (F.P.S.) vs. 2,900 (F.P.S.) in the normal 30-06 loading. Note the comparison in the smaller picture, 30 Gibbs on left, 30-06 on right. |
| Wildcat |
| 30 Gibbs |
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| $ 4.95 per Cartridge |
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| ("Parent Cartridge") |
| 30-06 |
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| 30 Gibbs |
| Cartridge |
| 30-06 |
| 30 Gibbs |
| 30 Gibbs |
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| 30 Gibbs |
| New Product, with 30 Gibbs Head Stamp |