Re: 260 cal, 123 VS 139 Lapua scenar
Actually I did just that but forgot to include that..
At 1000 yds, 5 mph wind at 270 deg, the 123 has a total windage of 24.7 while the 139 has 31.1 which is quite a significant advantage for the 123..
Time in flight is 1.30 and 1.36 respectively..