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.220 Swift Improved (P.O. Ackley Data)

Warning! Notes: Ballistics are not much superior to the standard cartridge unless it might be with relatively heavy bullets with slow burning powders. Standard twist: 14". (Handbook for Shooters & Reloaders/Vol. 1 - P.O. Ackley, 1962) 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-4895	Subscribe	3680
Remarks:
50		IMR	IMR-4895	Subscribe	4050
Remarks:
50		IMR	IMR-3031	Subscribe	3615
Remarks:
50		IMR	IMR-3031	Subscribe	3985
Remarks:
50		IMR	IMR-4064	Subscribe	3980
Remarks:
50		IMR	IMR-4320	Subscribe	4100
Remarks:
50		Hodgdon	H-380	Subscribe	3905
Remarks:
55		IMR	IMR-4895	Subscribe	3555
Remarks:
55		IMR	IMR-4895	Subscribe	3980
Remarks:
55		IMR	IMR-3031	Subscribe	3900
Remarks:
55		IMR	IMR-4064	Subscribe	3880
Remarks:
55		IMR	IMR-4320	Subscribe	4020
Remarks:
55		Hodgdon	H-380	Subscribe	3825
Remarks:
63		IMR	IMR-4350	Subscribe	3300
Remarks:
63		IMR	IMR-4350	Subscribe	3675
Remarks: