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.220 Weatherby Rocket (P.O. Ackley Data)

Warning! Notes: Standard twist: 14". The .220 Weatherby Rocket is one of the first cartridges which can be described as an improved .220 Swift. It is now considered obsolete, but at one time was quite popular. (Handbook for Shooters & Reloaders/Vol. 2 - P.O. Ackley, 1966) NOTE: USE THIS DATA WITH EXTREME CAUTION

Be Alert: Publisher cannot be responsible for errors in published load data.

Wt.	Bullet	Powder Manufacturer	Powder	Charge	Velocity (FPS)
50		IMR	IMR-3031	Subscribe	3900
Remarks:
50		IMR	IMR-3031	Subscribe	4005
Remarks: max
50		IMR	IMR-4320	Subscribe	3685
Remarks:
50		IMR	IMR-4320	Subscribe	4020
Remarks: caution
50		IMR	IMR-4064	Subscribe	3685
Remarks:
50		IMR	IMR-4064	Subscribe	4010
Remarks: max
55		IMR	IMR-3031	Subscribe	3370
Remarks:
55		IMR	IMR-3031	Subscribe	3555
Remarks:
55		IMR	IMR-3031	Subscribe	3980
Remarks: max
55		IMR	IMR-4320	Subscribe	3400
Remarks:
55		IMR	IMR-4320	Subscribe	3610
Remarks:
55		IMR	IMR-4320	Subscribe	3768
Remarks:
55		IMR	IMR-4320	Subscribe	3882
Remarks:
55		IMR	IMR-4064	Subscribe	3710
Remarks:
55		IMR	IMR-4064	Subscribe	3860
Remarks: caution
55		IMR	IMR-4064	Subscribe	4100
Remarks: max
60		IMR	IMR-4064	Subscribe	3345
Remarks:
60		IMR	IMR-4064	Subscribe	3675
Remarks: caution
60		IMR	IMR-4350	Subscribe	3150
Remarks:
60		IMR	IMR-4350	Subscribe	3295
Remarks:
60		IMR	IMR-4350	Subscribe	3495
Remarks:
60		IMR	IMR-4350	Subscribe	3610
Remarks:
60		IMR	IMR-4350	Subscribe	3725
Remarks: max