Turk, I have the 2nd edition from 2001 and it didnt have a load for a 50.cal over 30 inch,s.if you want the early edition from 1975 it lists loads starting with a 498.cal ball and a 43" barrel 3f goex at 50 grs with a 1506 fps, 100 grs at 2095 fps,and 170 grs at 2354 fps!!!!!. But !!!!! for your max, always refer to your manufactures max,s or if you go beyound that and something happens its your own fault. :grin:.Farrerhaven.
