.257 Weatherby Magnum
Rifle
Factory
| Family | Weatherby Magnum rifle cartridges |
|---|---|
| Designer | Roy Weatherby |
| Year | 1944 |
| Case Type | Belted, Bottleneck |
| Primer | Large Rifle (.210") |
Dimensions (inches)
| Bullet Ø | 0.257 |
|---|---|
| Case Length | 2.55 |
| Neck Ø | 0.285 |
| Base Ø | 0.511 |
| Rim Ø | 0.53 |
| Total Length | 3.25 |
Parent Cases
.300 H&H Magnum
References
Ammo Ency. 6th Ed. p. 602
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