Handloader had an article from '81-'82 on loading the 35 rem to higher "super" velocities. Lane was the author. Those published are safe to use in stronger bolt and 760 actions. They'll definitely give a 375 Winchester something to think about. I took a younster hunting and watched him drop an 8 point buck in it's tracks with a standard load of 36grs of imr3031 pushing a 200gr corlokt RN