7mm Super Magnum Mashburn (28-Inch Barrel) |
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| Warning! Notes: These loads are all maximum trouble-free loads for the two rifles used for testing. Most cases were fired six to eight times while testing was in progress. They are not recommended for use in any other rifle, or with any change of any component, including different lots of the same powders. They are given for reference only, and should be approached from about four grains below. Federal .300 Winchester cases (252 grains), with Federal 215 primers used for all loads. Oehler 34 Chronotach and M-50 screens; velocity measured at 15 feet and converted to muzzle velocity. Temperature, 70 degrees F. (Rifle Issue #103 - January, 1986) |
| Be Alert: Publisher cannot be responsible for errors in published load data. |
| Wt. | Bullet | Powder Manufacturer | Powder | Charge | Velocity (FPS) | |
| 140 | Nosler Partition | IMR | IMR-7828 | Subscribe | 3,455 | |
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| 140 | Nosler Partition | Hodgdon | H-4831 | Subscribe | 3,383 | |
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| 140 | Nosler Partition | IMR | IMR-4831 | Subscribe | 3,419 | |
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| 140 | Nosler Partition | IMR | IMR-4350 | Subscribe | 3,373 | |
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| 150 | Nosler Partition | IMR | IMR-7828 | Subscribe | 3,375 | |
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| 150 | Nosler Partition | Hodgdon | H-4831 | Subscribe | 3,311 | |
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| 150 | Nosler Partition | IMR | IMR-4831 | Subscribe | 3,321 | |
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| 150 | Nosler Partition | IMR | IMR-4350 | Subscribe | 3,232 | |
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| 160 | Nosler Partition | Hodgdon | H-870 | Subscribe | 3,290 | |
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| 160 | Nosler Partition | IMR | IMR-7828 | Subscribe | 3,292 | |
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| 160 | Nosler Partition | Hodgdon | H-4831 | Subscribe | 3,214 | |
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| 160 | Nosler Partition | IMR | IMR-4831 | Subscribe | 3,233 | |
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| 160 | Nosler Partition | IMR | IMR-4350 | Subscribe | 3,207 | |
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| 175 | Nosler Partition | Hodgdon | H-870 | Subscribe | 3,131 | |
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| 175 | Nosler Partition | IMR | IMR-7828 | Subscribe | 3,148 | |
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| 175 | Nosler Partition | Hodgdon | H-4831 | Subscribe | 3,074 | |
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| 175 | Nosler Partition | IMR | IMR-4831 | Subscribe | 3,098 | |
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| 175 | Nosler Partition | IMR | IMR-4350 | Subscribe | 3,058 | |
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