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7mm Super Magnum Mashburn (28-Inch Barrel)

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
Remarks:
140	Nosler Partition	Hodgdon	H-4831	Subscribe	3,383
Remarks:
140	Nosler Partition	IMR	IMR-4831	Subscribe	3,419
Remarks:
140	Nosler Partition	IMR	IMR-4350	Subscribe	3,373
Remarks:
150	Nosler Partition	IMR	IMR-7828	Subscribe	3,375
Remarks:
150	Nosler Partition	Hodgdon	H-4831	Subscribe	3,311
Remarks:
150	Nosler Partition	IMR	IMR-4831	Subscribe	3,321
Remarks:
150	Nosler Partition	IMR	IMR-4350	Subscribe	3,232
Remarks:
160	Nosler Partition	Hodgdon	H-870	Subscribe	3,290
Remarks:
160	Nosler Partition	IMR	IMR-7828	Subscribe	3,292
Remarks:
160	Nosler Partition	Hodgdon	H-4831	Subscribe	3,214
Remarks:
160	Nosler Partition	IMR	IMR-4831	Subscribe	3,233
Remarks:
160	Nosler Partition	IMR	IMR-4350	Subscribe	3,207
Remarks:
175	Nosler Partition	Hodgdon	H-870	Subscribe	3,131
Remarks:
175	Nosler Partition	IMR	IMR-7828	Subscribe	3,148
Remarks:
175	Nosler Partition	Hodgdon	H-4831	Subscribe	3,074
Remarks:
175	Nosler Partition	IMR	IMR-4831	Subscribe	3,098
Remarks:
175	Nosler Partition	IMR	IMR-4350	Subscribe	3,058
Remarks: