Marlin Junky
05-23-2013, 01:42 PM
Has anyone tried using cast in the 257 Weatherby?
According to QuickLoad, 19 grains of Alliant 2400 with RCBS 257-120 should give approx. 1800-1900 fps with < 20K PSI (24" bbl). I used a COL of 3.2" and a boolit length of 1.023".
MJ
According to QuickLoad, 19 grains of Alliant 2400 with RCBS 257-120 should give approx. 1800-1900 fps with < 20K PSI (24" bbl). I used a COL of 3.2" and a boolit length of 1.023".
MJ