.375 Express |
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| Warning! Notes: All cases formed from R-P .444 Marlin brass. CCI 200 Large Rifle Standard primers used with all loads. Velocities obtained with Oehler Model 33 Chronotach and Skyscreens. Test rifle was a rebored, rechambered Westley-Richards commercial Mauser action with a 26-inch barrel. (Rifle Issue #66 - November, 1979) |
| Be Alert: Publisher cannot be responsible for errors in published load data. |
| Wt. | Bullet | Powder Manufacturer | Powder | Charge | Velocity (FPS) | |
| 220 | Hornady flatnose | IMR | IMR-3031 | Subscribe | 2,143 | |
| Remarks: poor accuracy | ||||||
| 220 | Hornady flatnose | IMR | IMR-4895 | Subscribe | 2,113 | |
| Remarks: | ||||||
| 220 | Hornady flatnose | IMR | IMR-4320 | Subscribe | 2,283 | |
| Remarks: | ||||||
| 235 | Speer semispitzer | IMR | IMR-3031 | Subscribe | 2,166 | |
| Remarks: | ||||||
| 235 | Speer semispitzer | IMR | IMR-3031 | Subscribe | 2,224 | |
| Remarks: very accurate | ||||||
| 235 | Speer semispitzer | IMR | IMR-3031 | Subscribe | 2,270 | |
| Remarks: good load; accurate | ||||||
| 235 | Speer semispitzer | IMR | IMR-3031 | Subscribe | 2,300 | |
| Remarks: | ||||||
| 235 | Speer semispitzer | IMR | IMR-3031 | Subscribe | 2,321 | |
| Remarks: highest velocity | ||||||
| 235 | Speer semispitzer | IMR | IMR-4895 | Subscribe | 2,049 | |
| Remarks: very accurate | ||||||
| 235 | Speer semispitzer | IMR | IMR-4895 | Subscribe | 2,061 | |
| Remarks: | ||||||
| 235 | Speer semispitzer | IMR | IMR-4895 | Subscribe | 2,112 | |
| Remarks: most accurate load | ||||||
| 235 | Speer semispitzer | IMR | IMR-4895 | Subscribe | 2,201 | |
| Remarks: | ||||||
| 235 | Speer semispitzer | IMR | IMR-4895 | Subscribe | 2,257 | |
| Remarks: | ||||||
| 235 | Speer semispitzer | IMR | IMR-4895 | Subscribe | 2,286 | |
| Remarks: best all-around load; accurate | ||||||
| 235 | Speer semispitzer | IMR | IMR-4198 | Subscribe | 2,229 | |
| Remarks: | ||||||
| 235 | Speer semispitzer | Hodgdon | H-322 | Subscribe | 2,165 | |
| Remarks: | ||||||
| 235 | Speer semispitzer | Hodgdon | H-322 | Subscribe | 2,214 | |
| Remarks: accurate | ||||||
| 235 | Speer semispitzer | Norma | N-201 | Subscribe | 2,213 | |
| Remarks: | ||||||
| 270 | Hornady roundnose | Hodgdon | H-4895 | Subscribe | 1,955 | |
| Remarks: | ||||||
| 270 | Hornady roundnose | IMR | IMR-3031 | Subscribe | 2,087 | |
| Remarks: poor accuracy | ||||||
| 270 | Hornady spire-point | IMR | IMR-3031 | Subscribe | 2,150 | |
| Remarks: | ||||||
| 270 | Hornady spire-point | IMR | IMR-3031 | Subscribe | 2,212 | |
| Remarks: maximum load | ||||||
| 270 | Hornady spire-point | IMR | IMR-4064 | Subscribe | 1,980 | |
| Remarks: third most accurate load | ||||||
| 270 | Hornady spire-point | IMR | IMR-4064 | Subscribe | 2,113 | |
| Remarks: insufficient accuracy | ||||||
| 270 | Hornady spire-point | IMR | IMR-4895 | Subscribe | 2,154 | |
| Remarks: second most accurate load | ||||||
| 270 | Hornady spire-point | IMR | IMR-4320 | Subscribe | 2,068 | |
| Remarks: | ||||||
| 270 | Hornady spire-point | Norma | N-201 | Subscribe | 2,070 | |
| Remarks: very accurate | ||||||
| 270 | Hornady spire-point | Hodgdon | H-322 | Subscribe | 2,117 | |
| Remarks: poor accuracy | ||||||