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257 Wby Mag
Bullet: Hornady RN 117 gr 25 caliber
| Bullet weight | 7.58 g / 117 gr |
| B.C | 0.243 |
| C.O.L | 78.2 / 3.079 |
| Gunpowder | Charge weight | Velocity m/s | Velocity fps |
|---|
| Norma MRP | Max 69.8 Min 66 | Max: 1012 Min: 951 | Max: 3320 Min: 3120 |
Bullet: Nosler Partition 100 gr 25 caliber
| Bullet weight | 6.48 g / 100 gr |
| B.C | 0.377 |
| C.O.L | 80.0 / 3.150 |
| Gunpowder | Charge weight | Velocity m/s | Velocity fps |
|---|
| Norma MRP | Max 72.7 Min 69 | Max: 1098 Min: 1046 | Max: 3602 Min: 3432 |
Bullet: Nosler BST 100 gr 25 caliber
| Bullet weight | 6.48 g / 100 gr |
| B.C | 0.393 |
| C.O.L | 80.5 / 3.169 |
| Gunpowder | Charge weight | Velocity m/s | Velocity fps |
|---|
| Norma MRP | Max 72.4 Min 69 | Max: 1100 Min: 1045 | Max: 3609 Min: 3428 |
Bullet: Swift A-Frame 120 gr 25 caliber
| Bullet weight | 7.78 g / 120 gr |
| B.C | 0.382 |
| C.O.L | 80.0 / 3.150 |
| Gunpowder | Charge weight | Velocity m/s | Velocity fps |
|---|
| Norma MRP | Max 68 Min 65 | Max: 987 Min: 941 | Max: 3238 Min: 3087 |