According to the " HODGDON Basic Reloaders Manual 2003" 220 SWIFT, BBL: 26" , Case: Win., Primer: Win. LR, COL: 2.680"

50 gr. HDY SP, VARGET MAX: 36.0 grs., Vel.: 3770 f/s, 50.200 CUP

55 gr. HDY SP, VARGET MAX: 36.0 grs., Vel.: 3645 f/s, 51,900 CUP

[b]REDUCE LOADS BY 10% TO START [b]