.450 Watts Magnum (P.O. Ackley Data) Reloading Data
Warning! Notes: Standard twist: 14". Special twist: 18", 20". This cartridge was originally made by necking the .375 H&H Magnum case up to .45 to create a straight case similar in general appearance to the older and smaller .38/55. (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.