Sorry to bump an old thread but if anyone could hook me up with some quickload data I'd appreciate it.
M77 243 20" 1 in 10
100 gr Sierra Gameking #1560 OAL 2.650"
I'm after data for Vihtavuori N150, N550, and N160. Sierra has Viht data for every 243 weight they sell.....except the 100's.