.300 Whisper
Pistol
Wildcat
| Family | JDJ cartridges |
|---|---|
| Case Type | Rimless, Bottlenecked |
| Primer | Small rifle (.175") |
Dimensions (inches)
| Bullet Ø | 0.308 |
|---|---|
| Case Length | 1.5 |
| Neck Ø | 0.33 |
| Shoulder Ø | 0.369 |
| Base Ø | 0.375 |
| Rim Ø | 0.375 |
| Total Length | 2.575 |
Parent Cases
.221 Fireball
.221 Remington
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