338-378 Weatherby Mag. Load Data
Most of these are maximum loads and none are starting points.
These are not suggestions for others.
3.700" COL, 2.900 CL, CCI #250 Primers, RCBS Dies, 28" Barrel
| Bullet | Bullet | Bullet Type | Powder | Max Load | Velocity | Energy | Primer | |
| 180 grain | Nosler | Balistiktip | RL 25 | 121,0 grain | 3513 | ? | CCI 250 | |
| 200 grain | Nosler | Balistiktip | IMR 7828 | 111,5 grain | 3530 | 5535 | CCI 250 | |
| 200 grain | Nosler | Ballistiktip | RL 25 | 118,0 grain | 3512 | 5478 | CCI 250 | |
| 210 grain | Nosler | Partition spitser | ||||||
| 215 grain | Siera | SPBT gamemaster | IMR 7828 | 110,0 grain | 3386 | 5474 | CCI 250 | |
| 215 grain | Siera | SPBT gamemaster | RL 25 | 117,0 grain | 3455 | 5700 | CCI 250 | |
| 225 grain | Speer | SPBT Boat tail | IMR 7828 | 105,0 grain | 3170 | 5021 | CCI 250 | |
| 225 grain | Speer | SPBT Boat tail | IMR 7828 | 108,0 grain | 3241 | 5249 | CCI 250 | |
| 225 grain | Speer | SPBT Boat tail | RL 22 | 105,5 grain | 3067 | 4700 | CCI 250 | |
| 225 grain | Speer | SPBT Boat tail | RL 22 | 109,0 grain | 3280 | 5376 | CCI 250 | |
| 225 grain | Speer | SPBT Boat tail | IMR 4831 | 101,0 grain | 2998 | 4495 | CCI 250 | |
| 225 grain | Nosler | Partition spitser | ||||||
| 250 grain | Speer | SPBT Game master | IMR 7828 | 106,0 grain | 3174 | 5593 | CCI 250 | |
| 250 grain | Speer | SPBT Game master | RL 25 | 114,0 grain | 3336 | 6279 | CCI 250 | |
| 250 grain | Speer | SPBT Game master | IMR 7828 | 104,0 grain | 3085 | 5284 | CCI 250 | |
| 250 grain | Speer | SPBT Game master | RL 25 | 109,0 grain | 3175 | 5597 | CCI 250 | |
| 250 grain | Nosler | Partition spitser | ||||||
| 250 grain | Nosler | Partition Gold MF | ||||||
| 250 grain | Nosler | Partition Gold | ||||||